weakness

Synonyms: achilles heel appetite blemish chink in armor debility decrepitude deficiency delicacy enervation failing faintness fault feebleness flaw fondness fragility frailty gap impairment imperfection impotence inclination inconstancy indecision infirmity instability invalidity irresolution lack languor lapse liking passion penchant powerlessness predilection proclivity prostration senility shortcoming soft spot sore point taste vice vitiation vulnerability

Antonyms: strength strong point