Pliant; flexible; easily bent: as, supple joints; supple fingers.Yielding; compliant; not obstinate.Capable of adapting one's self to the wishes and opinions of others; bending to the humor of others; obsequious; fawning; also, characterized by such obsequiousness, as words and acts.Tending to make pliant or pliable; soothing.Synonyms Lithe, limber, lissome.To make supple; make pliant; render flexible: as, to supple leather.To make compliant, submissive, humble, or yielding.Specifically, to train (a saddle-horse) by making him yield with docility to the rein, bending his neck to left or right at the slightest pressure.To soothe.To become soft and pliant.