Feeble Definition

fēbəl

feebler, feeblest

adjective

feebler, feeblest

Weak; not strong.

Webster's New World

Having little intensity or strength; faint.

Feeble light; a feeble voice.

American Heritage

Having little capacity to withstand pressure or strain.

The castle's feeble defenses.

American Heritage

Lacking vigor or effectiveness; inadequate.

A feeble attempt to apologize.

American Heritage

Showing little activity.

A feeble housing market.

American Heritage

Synonyms:

Antonyms:

verb

(obsolete) To make feeble; to enfeeble.

Wiktionary

Other Word Forms of Feeble

Base Form:

feeble

Comparative:

feebler

Superlative:

feeblest

From Middle English feble, from Anglo-Norman feble (“weak, feeble”), from Latin flēbilis (“tearful, mournful, lamentable”), from flēre (“to weep”), akin to fluere (“to flow”); see fluent.

From Wiktionary
Middle English feble from Old French from Latin flēbilis lamentable from flēre to weep

From American Heritage Dictionary of the English Language, 5th Edition