capable of being bent, usually without breaking; easily bent

a flexible ruler.

susceptible of modification or adaptation; adaptable

a flexible schedule.

willing or disposed to yield; pliable

a flexible personality.

a flexible substance or material, as rubber or leather.

adjective

brittle , inflexible , resistant , rigid , stiff , unbendable , unpliable , unyielding , obstinate , ornery , stern , stubborn , unaccommodating , unadaptable , unresponsive , incompliant

adjective

adjustable , bending , ductile , elastic , extensible , extensile , flexile , formable , formative , impressionable , like putty , limber , lithe , malleable , moldable , plastic , pliant , soft , spongy , springy , stretch , stretchable , stretchy , supple , tensile , tractable , tractile , whippy , willowy , yielding , acquiescent , amenable , biddable , complaisant , compliant , discretionary , docile , gentle , going every which way , hanging loose , like putty in hands , manageable , open , rolling with punches , variable , flexuous , pliable , workable , resilient , suggestible , adaptive , adaptable , bendable , limp , lissom , lush , responsive , versatile