[chaste] adj chast.er ; chast.est [ME, fr. OF, fr. L castus pure] (13c) 1: innocent of unlawful sexual intercourse
2: celibate
3: pure in thought and act: modest
4. a: severely simple in design or execution: austere "~ classicism" b: clean, spotless -- chaste.ly adv -- chaste.ness n syn chaste, pure, modest, decent mean free from all taint of what is lewd or salacious. chaste primarily implies a refraining from acts or even thoughts or desires that are not virginal or not sanctioned by marriage vows "they maintained chaste relations". pure differs from chaste in implying innocence and absence of temptation rather than control of one's impulses and actions "the pure of heart". modest and decent apply esp. to deportment and dress as outward signs of inward chastity or purity "preferred more modest swimsuits" "decent people didn't go to such movies".