Antonyms for rigid

all:

nonrigid.

stiff, strict, severe:

bending, imprecise, unreliable, tolerant, limber, pliant, indefinite, pliable, yielding, gentle, soft, flexible, easy, willing, mild, lenient, irresolute, inexact, unfixed, broken.

noun:

forbearing, scattered, porous, remiss, semisoft, airy, acquiescent, kindly, flexile, responsive, tender, spoiling, slovenly, workable, amenable, moving, compliant, willing, affable, lenient, charitable, pampering, sweet, loosened, easy, undemanding, negligent, agreeable, complaisant, patient, clement, thin, compromising, bland, tractable, permeable, bendable, accepting, mild, gentle, genial, neglectful, kind, merciful, hanging, sloppy, slipshod, softhearted, indulgent.