| Unavoidable 1. (a.) Incapable of being prevented; inevitable; necessary; as, unavoidable troubles. 2. (a.) Not voidable; incapable of being made null or void. Thesaurus Entries certain, definite, destined, determined, fated, fateful, fixed, indefeasible, ineluctable, ineludible, inescapable, inevasible, inevitable, inexorable, inflexible, irresistible, irrevocable, necessary, predestined, predetermined, relentless, resistless, settled, sure, sure as death, sure as fate, unalterable, unchangeable, uncontrollable, undeflectable, unevadable, unpreventable, unstoppable, unyielding |