- lax [ læks ] adjective1. ) not paying enough attention to rules, or not caring enough about quality or safety:worries about lax airport securitythe lax morals of today's society2. ) not made firm or tight:lax muscles╾ lax|i|ty [ `læksəti ] noun uncount╾ lax|ly adverb
Usage of the words and phrases in modern English. 2013.