THESAURUS

Invalid Thesaurus

Not valid; not true, correct, acceptable, or appropriate.

Synonyms for Invalid

Depending on context, synonyms include void, fallacious, spurious, specious, bad, nugatory.

Antonyms for Invalid

Common opposites include valid.

Related Words

Related dictionary entries include invalidated, unsound, false, void, bad, uncollectible.

Choosing the Right Word

A related word is not always a direct replacement. Compare its definition, grammar, tone, and sentence context first.

Frequently Asked Questions

What is another word for invalid?

Possible synonyms include void, fallacious, spurious, specious, bad.

What is an antonym for invalid?

Possible antonyms include valid.

Can every synonym replace invalid?

No. Check meaning, grammar, tone, and context before replacing invalid.

Continue With Invalid

Relationships are shown only after the shared lexical validator accepts them. A suggestion is not automatically an exact replacement.