Chambers's Twentieth Century Dictionary…
“ Weak, wēk, adj. soft: wanting strength and vigour: not able to sustain a great weight: wanting health: easily overcome: feeble of mind: wanting moral or mental force: frail: unsteady: slight or incomplete: having little of the chief ingredient: impressible: inconclusive: (Shak.) inconsiderable: (gram.) of a verb inflected by regular syllabic addition instead of by change of the main vowel: tending downward in price.—adj. Weak′-built (Shak.) , ill-founded.—v.t. Weak′en, to make weak: to reduce in strength or spirit.—v.i. to grow weak or weaker.—n. ”
