Search mature mature /məcho͝or″/ [L, maturus, ripe] , 1. v., to become fully developed; to ripen. 2. adj., fully developed or ripened. Tweet Telegram VK Random Words quinupristin meningococcal polysaccharide vaccine per con NCRR hemihypertonia proprioceptive neuromuscular facilitation (PNF) mediocarpal interchange terminal illness