invalidate
7 synonyms and 1 antonym for invalidate, grouped by meaning and by how common each one is.
Verb — To make something no longer legally valid, especially a contract.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Antonyms
Etymology
First recorded in 1649, borrowed from Middle French invalider, from invalide + -er; by surface analysis it can be read as in- + validate, or as invalid + -ate.
Full origin of invalidate →