Word Explorer

Invalid

🔄 Synonyms of "Invalid"

19 synonyms found via WordNet and Google Books.

Word	Definition
voidnoun	Containing nothing; empty; not occupied or filled.
fallacious	Deceptive or misleading.
spurious	False, not authentic, not genuine.
specious	Seemingly well-reasoned, plausible or true, but actually fallacious.
badnoun	Of low quality.
nugatory	Trivial, trifling or of little importance.
nullnoun	A non-existent or empty value or set of values.
falseverb	Untrue, not factual, factually incorrect.
disableverb	(chiefly electronics, computing) To deactivate, to make inoperational (especially of a function of an electronic or mechanical device).
handicapnoun	Something that prevents, hampers, or hinders.
unsound	Not sound, particularly:
sophistical	Fallacious, misleading or incorrect in logic or reasoning, especially intentionally.
incapacitateverb	To make someone or something incapable of doing something; to disable.
expired	that is no longer valid
nullified	That has been declared null
invalidated	Made invalid.
uncollectiblenoun	(usually in the plural) Something, such as a bad debt, that cannot be collected.
shut-innoun	A person confined to a location, as by illness or infirmity.
sophisticnoun	Pertaining to the ancient sophists.

Words with the opposite meaning.

Word	Definition
valid	Acceptable, proper or correct; in accordance with the rules.

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
invalidatedverb	Made invalid.
unsound	Not sound, particularly:
falseverb	Untrue, not factual, factually incorrect.
nullnoun	A non-existent or empty value or set of values.
voidnoun	Containing nothing; empty; not occupied or filled.
badnoun	Of low quality.
uncollectiblenoun	(usually in the plural) Something, such as a bad debt, that cannot be collected.
nullified	That has been declared null
expiredverb	that is no longer valid
nugatory	Trivial, trifling or of little importance.
incapacitateverb	To make someone or something incapable of doing something; to disable.
disableverb	(chiefly electronics, computing) To deactivate, to make inoperational (especially of a function of an electronic or mechanical device).
spurious	False, not authentic, not genuine.
handicapnoun	Something that prevents, hampers, or hinders.
fallacious	Deceptive or misleading.
specious	Seemingly well-reasoned, plausible or true, but actually fallacious.
sophistical	Fallacious, misleading or incorrect in logic or reasoning, especially intentionally.
sophisticnoun	Pertaining to the ancient sophists.
shut-innoun	A person confined to a location, as by illness or infirmity.
invaliditynoun	The state of being invalid; lack of validity.