SAT missive Definition A letter, especially a long or strongly worded one. Example "She received an angry missive from her former colleague." Sign in to save SAT PDF — $25 ← mission mist → Study tips featuring "missive" 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