inopportune

From Latin inopportūnus.^[1] By surface analysis, in- +‎ opportune.

inopportune (comparative more inopportune, superlative most inopportune)

1. Unsuitable for some particular purpose.

   That was a most inopportune spot for a picnic.

   • 1847 October 16, Currer Bell [pseudonym; Charlotte Brontë], chapter III, in Jane Eyre. An Autobiography. […], volume II, London: Smith, Elder, and Co., […], →OCLC, page 77:

     "It appears I come at an inopportune time, madam," said he, "when my friend, Mr. Rochester, is from home; but I arrive from a very long journey, and I think I may presume so far on old and intimate acquaintance as to install myself here till he returns."

2. Happening/occurring at an inconvenient or inappropriate time.

   The inopportune arrival of the bus cut short the interesting conversation.

   • 1962 October, G[eoffrey] Freeman Allen, “The New Look in Scotland's Northern Division—II”, in Modern Railways, page 170:

     The object is to keep the yard operators apprised of main-line movements, so that they do not plan to occupy the main lines with activity into or out of the yard at an inopportune juncture.

• (unsuitable for some particular purpose): inappropriate, unfit; see also Thesaurus:unsuitable
• (at an inconvenient or inappropriate time): ill-timed, untimely; see also Thesaurus:untimely

• (antonym(s) of “all”): opportune
• (antonym(s) of “unsuitable for some particular purpose”): appropriate, fitting; see also Thesaurus:suitable
• (antonym(s) of “at an inconvenient or inappropriate time”): timely; see also Thesaurus:timely

inopportune

1. feminine singular of inopportun

inopportune f pl

1. feminine plural of inopportuno

inopportūne

1. vocative masculine singular of inopportūnus