1. (adj)apt(p), liable(p) at risk of or subject to experiencing something usually unpleasant Antonyms: insusceptible, irresponsible, unlikely, exempt, unsusceptible
3. (adj)liable(p), nonimmune, nonresistant, unresistant (often followed by `to') likely to be affected with Antonyms: insusceptible, unlikely, irresponsible, unsusceptible, exempt
1. liable Apt implies a natural fitness or tendency; an impetuous person is apt to speak hastily. Liable refers to a contingency regarded as unfavorable; as, the ship was liable to founder at any momen Synonyms: likely, apt, conceivable, liable, probable, credible, conjectural, presumable, reasonable Antonyms: doubtful, improbable, questionable, unreasonable, dubious, incredible, unlikely