Synonyms of weaker

1 Syllable

faint, spent, limp, frail

2 Syllables

languid, tender, rotten, flimsy, torpid, shaky, sluggish, spindly, weakly, wasted, wobbly, feeble, rocky, sickly, puny, infirm, unsound, flaccid

3 Syllables

anemic, makeshift, prostrate, rickety, senile, fragile, forceless, languorous, effete, exhausted, hesitant, unsteady, wavering, supine, decrepit, weakened, impuissant, uncertain, powerless

4 Syllables

delicate, insubstantial, unsubstantial, enervated

5 Syllables

irresolute, undependable, lackadaisical, debilitated