insure
10 synonyms and 2 antonyms for insure, grouped by meaning and by how common each one is.
Verb — To arrange, usually by paying for a policy, to receive money if something bad such as an accident or theft happens.
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 attested in c. 1440, as a variant of Middle English ensuren (from Anglo-Norman enseurer, itself from Old French en- + seür (“sure”), probably influenced by Old French asseürer (“to assure”)); took on its particular sense of "make safe against loss by payment of premiums" in 1635, replacing assure. Doublet of ensu...
Full origin of insure →