SAT witless Definition Lacking intelligence or common sense; foolish. Example "His witless remarks annoyed everyone in the meeting." Sign in to save SAT PDF — $25 ← withstand witness → Study tips featuring "witless" 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