SAT GRE infallible Definition Never capable of making mistakes or being wrong. Example "Even experts aren't infallible; everyone can make errors." Sign in to save SAT PDF — $25 GRE PDF — $25 ← inexplicable infamous → Study tips featuring "infallible" How Context Clues Save You on the SAT Related words SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal