1. not meant or adapted for a particular purpose (Freq. 1) - a solvent unsuitable for use on wood surfaces • Similar to: unfit • Derivationally related forms: unsuitableness, unsuitability 2. not capable of being applied - rules inapplicable to day students • Syn: inapplicable • Similar to: irrelevant • Derivationally related forms: unsuitability, inapplicability (for: inapplicable) 3. not worthy of being chosen (especially as a spouse) • Syn: undesirable • Similar to: ineligible • Derivationally related forms: unsuitableness, undesirability (for: undesirable) 4. not conducive to good moral development - the movie is unsuitable for children • Similar to: bad • Derivationally related forms: unsuitableness