1. the quality of being easily broken or damaged: "osteoporosis is characterized by bone fragility"Similarfrailtyflimsinessweaknessdelicacydaintinessfinenessbrittlenessrare:frangibilitytenuousnessvulnerabilityflimsinessshakinessrockinessriskinessunreliabilitynebulosityunsoundnessinsecurityinformal:iffinessdodginessOppositerobustness
▪ the quality of being delicate or vulnerable:"a film about the fragility of relationships"