| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | not strong |
| Synonyms: | anemic, debilitated, decrepit, delicate, effete, enervated, exhausted, faint, feeble, flaccid, flimsy, forceless, fragile, frail, hesitant, impuissant, infirm, insubstantial, irresolute, lackadaisical*, languid, languorous, limp, makeshift, out of gas, powerless, prostrate, puny, rickety, rocky, rotten, senile, shaky, sickly, sluggish, spent, spindly, supine, tender, torpid, uncertain, undependable, unsound, unsteady, unsubstantial, wasted, wavering, weakened, weakly, wobbly |
| Antonyms: | firm, potent, strong |
| Main Entry: | weak |
| Part of Speech: | adjective |
| Definition: | faint, soft |
| Synonyms: | bated, dim, distant, dull, feeble, gentle, imperceptible, inaudible, indistinct, low, muffled, pale, poor, quiet, reedy, slight, small, stifled, thin, unaccented, unstressed, whispered |
| Antonyms: | loud, noisy, potent, strong |
| Main Entry: | weak |
| Part of Speech: | adjective |
| Definition: | deficient, feeble |
| Synonyms: | faulty, flabby, flimsy, forceless, green*, handicapped, hollow, immature, implausible, impotent, improbable, inadequate, incompetent, incomplete, inconceivable, inconclusive, incredible, ineffective, ineffectual, inept, invalid, lacking, lame, limited, pathetic, poor, raw, shaky, shallow, slight, slim, small, spineless, substandard, thick, thin, unbelievable, unconvincing, unprepared, unqualified, unsatisfactory, unsubstantial, unsure, untrained, wanting |
| Antonyms: | able, capable, fit, sufficient |
| Main Entry: | weak |
| Part of Speech: | adjective |
| Definition: | exposed, vulnerable |
| Synonyms: | accessible, assailable, defenseless, helpless, indefensible, unguarded, unprotected, unsafe, untenable, wide-open, woundable |
| Antonyms: | guarded, protected, safe, secure |
| Main Entry: | weak |
| Part of Speech: | adjective |
| Definition: | watered-down |
| Synonyms: | dilute, diluted, insipid, milk-and-water, runny, tasteless, thin, washy, waterish, watery, wishy-washy |
| Antonyms: | concentrated, strong, thick |
| Main Entry: | ailing |
| Part of Speech: | adjective |
| Definition: | not feeling well |
| Synonyms: | below par, debilitated, diseased, down, down with, enfeebled, feeble, feeling awful, ill, indisposed, rocky, run down, sick, sick as a dog, sickly, under the weather, unwell, wasting, weak |
| Antonyms: | healthy |
| Main Entry: | apprehensive |
| Part of Speech: | adjective |
| Definition: | anxious, fearful |
| Synonyms: | afraid, alarmed, biting nails, butterflies, concerned, disquieted, doubtful, feel in bones, foreboding, frozen*, get vibes, have a hunch, have cold feet, have funny feeling, have stage fright, hung up, in a cold sweat, in a dither, in a sweat, jellyfish, jittery, jumpy, lily-livered, mistrustful, running scared, scaredy-cat, shaky*, stiff, suspicious, troubled, uncertain, uneasy, uptight, weak, worried, worried sick |
| Antonyms: | at ease, calm, quiet, unafraid, undoubting, unfearful, unsuspicious, unworried |
| Main Entry: | bland |
| Part of Speech: | adjective |
| Definition: | tasteless; undistinctive |
| Synonyms: | banal, blah*, boring, dull, dull as dishwater, flat, flavorless, ho hum, humdrum, insipid, milk-and-water, monotonous, nerdy, nothing, pabulum, sapless, tame, tedious, unexciting, uninspiring, uninteresting, unstimulating, vanilla, vapid, waterish, watery, weak, wimpy, wishy-washy, zero* |
| Antonyms: | delicious, distinctive, sharp, tasty, yummy |
| Main Entry: | breakable |
| Part of Speech: | adjective |
| Definition: | easily hurt or destroyed |
| Synonyms: | brittle, crisp, crispy, crumbly, delicate, flimsy, fracturable, fragile, frail, frangible, friable, shatterable, shattery, splintery, vitreous, weak |
| Antonyms: | durable, sturdy, unbreakable |