bending readily; pliant; limber; supple; flexible

Pronunciation:
LĪTH

In a sentence:
Excited at the prospect of dating lithe teeny-bopper Samantha, Jeremy bought a balance beam and a set of parallel bars, ultimately insulting his date—a girl who was sick of being used solely for her performance abilities. 

In a different sentence:
As lithe as he was, Gary got carried away sometimes, and dared his friends to shoot him while he bobbed and weaved out of the way… unsuccessfully.

Fact:
Lithe teenager Olga Korbut revolutionized gymnastics at the 1972 Olympics when she performed the first aerial back tuck on the balance beam.