betray
23 synonyms and 1 antonym for betray, grouped by meaning and by how common each one is.
Verb — To be disloyal to someone who trusts you, especially by helping their enemies or breaking a promise.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Antonyms
How to use betray
The word patterns that sound natural to a native speaker.
Etymology
From Middle English betrayen, built from "be-" plus an old word meaning "to betray," ultimately related to "traitor" and "treason."
Full origin of betray →