O

See also

• (Latin script):  Aa  Bb  Cc  Dd  Ee  Ff  Gg  Hh  Ii  Jj  Kk  Ll  Mm  Nn  Oo  Pp  Qq  Rr  Sſs  Tt  Uu  Vv  Ww  Xx  Yy  Zz
• (Variations of letter O):  Óó  Òò  Ŏŏ  Ôô  Ốố  Ồồ  Ỗỗ  Ổổ  Ǒǒ  Öö  Ȫȫ  Őő  Õõ  Ṍṍ  Ṏṏ  Ȭȭ  Ȯȯ  Ȱȱ  Øø  Ǿǿ  Ǫǫ  Ǭǭ  Ōō  Ṓṓ  Ō̂ō̂  Ṑṑ  Ỏỏ  Ȍȍ  Ȏȏ  Ơơ  Ớớ  Ờờ  Ỡỡ  Ởở  Ợợ  Ọọ  Ộộ  Ɵɵ  ⱺ  ᴏ  Ｏｏ  Ꜵꜵ  Œœ  Ꝏꝏ  Ꝍꝍ  Ȣȣ

Letter

O (upper case, lower case o, plural Os or O's)

1. The fifteenth letter of the English alphabet, called o and written in the Latin script.
   • 1959, Anthony Burgess, Beds in the East (The Malayan Trilogy), published 1972, page 421:

     "Supposing somebody sees you, with all those flowers too? Supposing somebody writes him a letter? Ooooh!" (a pure round open Tamil O.)

Noun

O (plural Os or O's)

1. Something shaped like the letter O.
   • 1938, Norman Lindsay, chapter XX, in Age of Consent, London: T[homas] Werner Laurie […], →OCLC, page 213:

     She was lying in the lee of a fowlhouse in a crumpled posture, as if cohesion had been detached from her joints, which lobbed her in an untidy heap, like a lot of old bones, tied together with string. Her skull was hitched under her humped shoulders and her fallen jaw made a lipless O of her mouth, giving it an expression of imbecile astonishment.

2. (uncountable) A blood type that lacks A or B antigens and may only receive transfusions of similar type O blood, but may donate to all (neglecting Rh factor). Synonym: universal donor.

Number

O (upper case, lower case o)

1. The ordinal number fifteenth, derived from this letter of the English alphabet, called o and written in the Latin script.

Alternative forms

• o
• ô (obsolete)

Particle

O

2. The vocative particle, used for direct address.

   O Death! O Death! Won't you spare me over till another year? - part of the refrain from the American folk song "A Conversation with Death".

   • 1526, [William Tyndale, transl.], The Newe Testamẽt […] (Tyndale Bible), [Worms, Germany: Peter Schöffer], →OCLC, Romans ij:[1, 3], folio cc, verso:

     Therfore arte thou inexcuſable o man whoſoever thou be that iudgeſt. For in that ſame where in thou iudgeſt another / thou cõdemneſt thy ſilfe. For thou that iudgeſt doest evẽ the ſame ſilfe thynges. […] Thynkeſt thou O man that iudgeſt them which do ſoche thyngꝭ and yet doſt evẽ the very ſame / that thou ſhalt eſcape the iudgemẽt of God?

   • c. 1810-1820?, Samuel Taylor Coleridge, Notes on Macbeth

     O! the affecting beauty of the death of Cawdor, and the presentimental speech of the king: […]

   • For more quotations using this term, see Citations:O.

Noun

O (plural Oes)

1. An utterance of the vocative O.

Preposition

O

1. (stenoscript) Abbreviation of out, letter/sound sequence out.

Noun

O (countable and uncountable, plural Os)

1. (printing) American Library Association abbreviation of octavo, a book size (20-25 cm).
2. (soccer) Someone associated with Leyton Orient Football Club, as a player, coach, supporter etc.
3. (cricket) The number of overs bowled.
4. (slang) Orgasm.

   Synonym: big O

   • 1998 October 17, M6968, “STORY: The Violation of Sunny a wrestling story, by Wonder Mike”, in alt.sex.stories‎ (Usenet), retrieved November 22, 2014:

     Sunny felt some cold and wet press against her pussy, it startled her, then it's^[sic] tongue went deep inside of her, she had been eaten out before, but never this could, who ever was doing it was a real pro, and had to have the longest tongue in the world it was buried at least three inches inside of her and was taking long, hard strokes, it was trying to get even deeper, it was only seconds before she started shaking from her first O.

   • 1999 March 31, JT aka GF, “Re: mary p., hex and going "downtown"”, in alt.psst.hoy‎ (Usenet), retrieved November 22, 2014:

     Further on, when she's about to reach her first O, the taste turns from no taste to champagne-like.

   • 2010, Lonnie Hicks, Einstein, Religion, Politics and Literature, page 308:

     She thought you could get pregnant from tonguing when kissing; about her first O and how it scared her; how she looked in the mirror afterwards to see if she had changed; about how scared she was when it came time to deliver the baby.

   • 2011 June 14, wtw, “{wtw} - "4someWithFriends" (1/1)”, in alt.sex.stories‎ (Usenet), retrieved November 22, 2014:

     Now my friend was fingering my wife and licking her clit. My wife reached her first O of the night.

5. (slang, uncountable) Opium.
   • 1952, Collier's: Incorporating Features of the American Magazine, page 22:

     We lay on our stomachs on the living-room floor in a circle around our host, a skinny little man who said he'd been smoking O for 20 years.

Adjective

O (not comparable)

1. (historical) Abbreviation of morally offensive. (film classification of the National Legion of Decency)
2. (Judaism) Abbreviation of Orthodox.

Alternative forms

• Oh, Oe, Au

Proper noun

O

1. A surname from Korean.

Alternative forms

• (from Hanyu Pinyin) E

Pronunciation

• IPA^(key): /ʌ/, enPR: ǔ
• Rhymes: -ʌ

Proper noun

O

1. A surname from Mandarin Chinese.
2. Alternative form of E (Ancient Chinese Kingdom)
   • [1906, Frederick D. Cloud, Hangchow, the "City of Heaven"‎, Shanghai: Presbyterian Mission Press, →OCLC, →OL, page 53:

     ACCORDING to various inscriptions about this famous temple we are told that it was erected to the memory of Ya Fei, "An Unswerving Guardian to the Heir-Apparent," of the Sung dynasty; "A Loyal-to-the-end Minister," who came from the ancient state of O-Kuo, the present Wu Ch'ang-fu of Hupei; and that it was erected by the Emperor Hsiao Tsung as an atonement for the weakness and follies of his father, Kao Tsung, toward a faithful servant of the empire who came to his untimely death through the diabolical schemes of men in high estate. Moreover, that after his death and burial, when the empire came to appreciate his great services to the people, the posthumous title of " Prince of O-Kuo" was bestowed upon his sacred memory.]

   • 1944, Harold Burgoyne Rattenbury, China, My China‎, →OCLC, page 51:

     In ancient times Wuchang was the capital city of the Kingdom of O. In Manchu times it was the residence of the Viceroy of the two provinces of Hupeh and Hunan. Since then its fortunes have changed with changing politics.

   • 1976, Noel Barnard, The Proceedings of a Symposium on Scientific Methods of Research in the Study of Ancient Chinese Bronzes and Southeast Asian Metal and Other Archaeological Artifacts, October 6-10, 1975, National Gallery of Victoria, Melbourne‎, →ISBN, →OCLC, →OL, page 107:

     ⁶There are actually several geographical identifications proposed for the State of O: Wu-ch'ang in Hupei, Huai-ch'ing in Honan, and Fu-fang, Shensi (in the south-east thereof). As two inscriptions connected with the State of O refer to invasions....

   • 2006, Ch'ien Ssu-ma, edited by William H. Nienhauser, Jr., The Grand Scribe's Records,‎, volume V.1, →ISBN, →OCLC, →OL, page 385:

     […] Yang-yüeh 楊粵,⁴⁰ reaching as far as O 鄂.⁴¹ […] He then enthroned his elder son K'ang 康⁴³ as King of Kou Tan 句亶,⁴⁴ his middle song Hung 紅 as King of O 鄂,⁴⁵ and his younger son Chih-tz'u 執疵 as King of Yüeh-chang 越章.⁴⁶

   • For more quotations using this term, see Citations:O.

Pronunciation

• (Singapore) IPA^(key): /oʊ/, [ˈoː˦], [ˈo], (rare, approximating Hokkien) /ɔː(˦)/

Adjective

O (not comparable)

1. (Singapore, colloquial, used as a modifier after kopi (“coffee”) or teh (“tea”)) With sugar and no condensed milk added.
   • 2003, Ixus, soc.culture.singapore‎ (Usenet):

     Better try their kopi-o tarik. Our version nowadays taste like cough medicine. LOL!

See also

• (Latin-script letters) letter; Aa, Bb, Cc, Dd, Ee, Ff, Gg, Hh, Ii, Jj, Kk, Ll, Mm, Nn, Oo, Pp, Qq, Rr, Ss, Tt, Uu, Vv, Ww, Xx, Yy, Zz

See also

• (Latin-script letters) Ü ü, Üi üi, A a, Ai ai, I i, Ie ie, U u, Uo uo, E e, Ei ei, O o, Ou ou, K k, Kh kh, G g, Ng ng, C c, Ch ch, J j, Jh jh, Ny ny, T t, Th th, D d, N n, Ts ts, Tsh tsh, Dz dz, P p, Ph ph, B b, M m, Pf pf, Bv bv, Y y, Yh yh, R r, Rh rh, L l, Lh lh, F f, V v, W w, Wh wh, S s, Sh sh, Z z, Zh zh, H h

See also

• (Latin script letters) hərf; Aa, Bb, Cc, Çç, Dd, Ee, Əə, Ff, Gg, Ğğ, Hh, Xx, Iı, İi, Jj, Kk, Qq, Ll, Mm, Nn, Oo, Öö, Pp, Rr, Ss, Şş, Tt, Uu, Üü, Vv, Yy, Zz

See also

• (Latin-script letters) A a, B b, C c, (Ç ç), D d, E e, F f, G g, H h, I i, J j, K k, L, l, M m, N n, Ñ ñ, O o, P p, Q q, R r, S s, T t, U u, (Ü ü), V v, W w, X x, Y y, Z z

See also

• (Latin-script letters) lletras; A a (À à), B b, C c (Ç ç), D d, E e (É é, È è), F f, G g, H h, I i (Í í, Ï ï), J j, K k, L l (L·L l·l), M m, N n, O o (Ó ó, Ò ò), P p, Q q, R r, S s, T t, U u (Ú ú, Ü ü), V v, W w, X x, Y y, Z z

Usage notes

• In the Dutch-based spelling, short closed /o/ is represented by ó, long open /ɔː/ by ao.

Pronunciation

Adjective

O

1. (Hong Kong Cantonese) Short for OK (“alright”).

Pronunciation

Adjective

O

1. (Hong Kong Cantonese, slang) in a relationship

Pronunciation

Noun

O

1. (Hong Kong Cantonese, university slang) orientation camp

Pronunciation 1

Derived terms

Pronunciation 2

Pronunciation

Noun

O

1. (fandom slang) Alternative form of 歐米伽 / 欧米伽

   see: ABO, A, and B

   • 2020 December, 晚秋初十, 晋江文学城‎, archived from the original on 2024-12-26:

     《在情敌面前A变O后我怀孕了》 [MSC, simp.]
     《在情敵面前A變O後我懷孕了》 [MSC, trad.]

     “Zài Qíngdí Miànqián A Biàn O Hòu Wǒ Huáiyùn Le” [Pinyin]

     After Having Become Omega From Alpha In Front Of My Rival In Love, I Got Pregnant

   • 2020 July, 公子柔, 晋江文学城‎, archived from the original on 2024-12-26:

     《O装B给暴躁上将当男秘》 [MSC, simp.]
     《O裝B給暴躁上將當男秘》 [MSC, trad.]

     “O Zhuāng B Gěi Bàozào Shàngjiàng Dāng Nánmì” [Pinyin]

     Omega Disguises As Beta To Serve The Irritable General As Male Secretary

See also

• (Latin script letters) litero; Aa, Bb, Cc, Ĉĉ, Dd, Ee, Ff, Gg, Ĝĝ, Hh, Ĥĥ, Ii, Jj, Ĵĵ, Kk, Ll, Mm, Nn, Oo, Pp, Rr, Ss, Ŝŝ, Tt, Uu, Ŭŭ, Vv, Zz

See also

• (Latin-script letters) täht; A a, B b (C c), D d, E e, F f, G g, H h, I i, J j, K k, L l, M m, N n, O o, P p (Q q), R r, S s, Š š, Z z, Ž ž, T t, U u, V v (W w), Õ õ, Ä ä, Ö ö, Ü ü (X x, Y y)

See also

• (Latin-script letters) kirjain; A a, B b, C c, D d, E e, F f, G g, H h, I i, J j, K k, L l, M m, N n, O o, P p, Q q, R r, S s (Š š), T t, U u, V v (W w), X x, Y y, Z z (Ž ž), Å å, Ä ä, Ö ö

Usage notes

Used in linguistic descriptions in Finnish. For example, a Finnish grammar could use -tOn to refer to the suffix -ton (in e.g. mauton) or -tön (in e.g. ääretön).

Synonyms

• (west): W

See also

• (Latin-script letters) A a (Ā ā), E e (Ē ē), I i (Ī ī), O o (Ō ō), U u (Ū ū), H h, K k, L l, M m, N n, P p, W w, ʻ

Declension

See also

• (Latin-script letters) bókstafur; A a, Á á, B b, D d, Рð, E e, É é, F f, G g, H h, I i, Í í, J j, K k, L l, M m, N n, O o, Ó ó, P p, R r, S s, T t, U u, Ú ú, V v, X x, Y y, Ý ý, Þ þ, Æ æ, Ö ö

See also

• (Latin-script letters) litero; A a, B b, C c, D d, E e, F f, G g, H h, I i, J j, K k, L, l, M m, N n, O o, P p, Q q, R r, S s, T t, U u, V v, W w, X x, Y y, Z z

See also

• (Latin script letters) Aa, Bb, Cc, Dd, Ee, Ff, Gg, Hh, Ii, Jj, Kk, Ll, Mm, Nn, Oo, Pp, Qq, Rr, Ss, Tt, Uu, Vv, Ww, Xx, Yy, Zz

See also

• (Latin-script letters) litir; A a (Á á), B b (Bh bh, bhF bhf, bP bp), C c (Ch ch), D d (Dh dh, dT dt), E e (É é), F f (Fh fh), G g (gC gc, Gh gh), H h, I i (Í í), L l, M m (mB mb, Mh mh), N n (nD nd, nG ng), O o (Ó ó), P p (Ph ph), R r, S s (Sh sh), T t (Th th, tS ts), U u (Ú ú), V v
• (diacritics) ◌́ ◌̇
• (dotted letters used chiefly in Gaelic type) Ḃ ḃ, Ċ ċ, Ḋ ḋ, Ḟ ḟ, Ġ ġ, Ṁ ṁ, Ṗ ṗ, Ṡ ẛ ṡ, Ṫ ṫ

See also

• (Latin-script letters) letra; A a, B b, C c, D d, E e, F f, G g, H h, I i, J j, K k, L l, M m, N n, Ñ ñ, Ng ng, O o, P p, Q q, R r, S s, T t, U u, V v, W w, X x, Y y, Z z

See also

• (Latin-script letters) A a, Ą ą, àã, B b, C c, D d, E e, É é, Ë ë, F f, G g, H h, I i, J j, K k, L l, Ł ł, M m, N n, O o, Ò ò, Ó ó, Ô ô, P p, R r, S s, T t, U u, Ù ù, W w, Y y, Z z, Ż ż

Antonyms

• X (X)

Derived terms

• OX (OX)

Usage notes

• Historical Latin texts did not generally distinguish short and long vowels orthographically. In modern texts and editions of older texts, the vowels are typically written ⟨O⟩ and ⟨Ō⟩ to mark the length distinction.

See also

• (Latin-script letters) A a, B b, C c, D d, E e, F f, G g, H h, I i, L l, M m, N n, O o, P p, Q q, R r, S s, T t, V v, X x, Y y, Z z

Usage notes

In native Latvian words (and in some older borrowings), o represents the sound of IPA [uə̯] (e.g., otrs [uə̯tɾs]). In more recent borrowings, it represents the original sound of the word, i.e. [o] or [oː] (e.g., opera [oːpeɾa]).

See also

• Letters of the Latvian alphabet:

  burti: Aa, Āā, Bb, Cc, Čč, Dd, Ee, Ēē, Ff, Gg, Ģģ, Hh, Ii, Īī, Jj, Kk, Ķķ, Ll, Ļļ, Mm, Nn, Ņņ, Oo, Pp, Rr, Ss, Šš, Tt, Uu, Ūū, Vv, Zz, Žž

Letter

O (upper case, lower case o)

1. The fifteenth letter of the Limburgish alphabet, written in the Latin script.

Pronunciation

• IPA^(key): /o/
• Rhymes: -o

Noun

O n (plural Owwe, diminutive Öögeltje) (Eupen)

1. (anatomy) eye
2. (on plants, esp. potatoes, grapevines and fruit trees) germ, bud; eye (potato)
3. (on dice) dot, pip, spot
4. (of a cyclonic storm) eye

Pronunciation

• IPA^(key): /ɔ/
• Homophone: o
• Rhymes: -ɔ

Noun

O f (plural O, masculine Auwe) (Eupen)

1. old woman

See also

• (Latin script letters) Aa, Bb, Cc, Dd, Ee, Ff, Gg, Hh, Ii, Jj, Kk, Ll, Mm, Nn, Oo, Pp, Qq, Rr, Ss, Tt, Uu, Vv, Ww, Xx, Yy, Zz

See also

• (Latin-script letters) A a (Á á, Ą ą, Ą́ ą́), B b, Ch ch, Chʼ chʼ, D d, Dl dl, Dz dz, E e (É é, Ę ę, Ę́ ę́), G g, Gh gh, H h, Hw hw, X x, I i (Í í, Į į, Į́ į́), J j, K k, Kʼ kʼ, Kw kw, ʼ, L l, Ł ł, M m, N n (Ń ń), O o (Ó ó, Ǫ ǫ, Ǫ́ ǫ́), S s, Sh sh, T t, Tʼ tʼ, Tł tł, Tłʼ tłʼ, Ts ts, Tsʼ tsʼ, W w, Y y, Z z, Zh zh

See also

• (Latin-script letters) banki; A a (Á á, À à), B b, C c, D d, Dz dz, E e (É é, È è), F f, G g, Gb gb, H h, I i (Í í, Ì ì), J j, K k, Kp kp, L l, M m (Ḿ ḿ, M̀ m̀, M̄ m̄), N n (Ń ń, Ǹ ǹ, N̄ n̄), O o (Ó ó, Ò ò), P p, R r, S s, Sh sh, T t, Ts ts, U u (Ú ú, Ù ù), V v, W w, Y y, Z z, Zh zh

See also

• (Latin-script letters) A a, Ą ą, B b, C c, Ć ć, D d, E e, Ę ę, F f, G g, H h, I i, J j, K k, L l, Ł ł, M m, N n, Ń ń, O o, Ó ó, P p, R r, S s, Ś ś, T t, U u, W w, Y y, Z z, Ź ź, Ż ż