betrayer
8 synonyms and 3 antonyms for betrayer, grouped by meaning and by how common each one is.
Noun — A person who betrays someone, or who gives away secrets to those who shouldn't have them; an informer.
Synonyms
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
How to use betrayer
The word patterns that sound natural to a native speaker.
Etymology
Simply betray plus the agent suffix -er, "one who does" — the same pattern as "teacher" from "teach."
Full origin of betrayer →