Synonyms for Invalid:
absurd, anachronistic, bizarre, contradictory, crazy, eccentric, fallacious, farcical, foolish, idiotic, illogical, implausible, impossible, inane, incongruous, inconsistent, irrational, ludicrous, meaningless, nonsensical, outlandish, paradoxical, preposterous, ridiculous, self-contradictory, senseless, silly.
arrant, bad, baneful, black, defective, detrimental, displeasing, faulty, inadequate, inadvisable, inferior, irremediable, poor, unfavorable, unpleasant, unsatisfactory, unsound, vile, wretched, wrong, ill-suited.
•worthless; unfounded (adjective)
bad, fallacious, false, illogical, irrational, null, sophistic, unreasonable, unsound, void, wrong, null and void.
n.accessible, ataxia, disability, disabled, disablement, dumb, Challenged, Developmental Disability, the blind. active, asynchronous, compatibility, compatible, correct, true, clickable, Antivirus, backward-compatible, best-of-breed, bursty, case-sensitive. amnesiac, anorexic, asthmatic, case, consumptive, depressive, diabetic, agoraphobe, bed-blocker, the critical list. alleged, allegedly, anecdotal, apparently, doubtful, seemingly, speculative, supposed, unfounded, unsubstantiated. antitrust, civil, common-law, criminal, criminally, effective, enabling, extrajudicial, extraterritorial, forensic. •fallacious (noun)
indefensible, unreasonable, null and void.
bad, disable, expired, fallacious, false, handicap, incapacitate, invalidated, null, nullified, sophistic, sophistical, specious, spurious, uncollectible, unsound, void, shut in.
•sick person (noun)
•Other relevant words:
case, consumptive, criminal, disable, disabled, expired, false, handicap, incapacitate, indefensible, invalidated, null, nullified, sophistic, sophistical, specious, spurious, uncollectible, unfounded, unreasonable, void, shut in, null and void.
Usage examples for invalid
My impression is that she is not exactly the person for the invalid room. – Harriet Martineau by Florence Fenwick Miller