adj. & v.
adj. (maturer, maturest) 1 with fully developed powers of body and mind, adult. 2 complete in natural development, ripe. 3 (of thought, intentions, etc.) duly careful and adequate. 4 (of a bill etc.) due for payment.
v. 1 a tr. & intr. develop fully. b tr. & intr. ripen. c intr. come to maturity. 2 tr. perfect (a plan etc.). 3 intr. (of a bill etc.) become due for payment. mature student an adult student who is older than most students. maturely adv. matureness n. maturity n.
[ ME f. L maturus timely, early ]