strengthless

From Middle English strengthles, streintheles, strencthelæs, equivalent to strength +‎ -less.

strengthless (comparative more strengthless, superlative most strengthless)

1. Being powerless or weak; lacking strength.
   • c. 1596–1599 (date written), William Shakespeare, The Second Part of Henrie the Fourth, […], quarto edition, London: […] V[alentine] S[immes] for Andrew Wise, and William Aspley, published 1600, →OCLC, [Act I, scene i], signature [A4], verso:

     And as the vvretch vvhoſe feuer-vveakned ioynts, / Like ſtrengthleſſe hinges buckle vnder life, / […] euen ſo my limbes, / VVeakened vvith griefe, being novv enragde vvith griefe, / Are thrice themſelues: […]

2. Having no special abilities or talents; lacking strengths.

• strengthful

• strengthlessly
• strengthlessness