unexpired

English Thesaurus

1. not having come to an end or been terminated by passage of time (adj.all)

similar	:	valid,
definition	:	still legally acceptable (adj.all)

antonym	:	expired,
definition	:	having come to an end or become void after passage of a period of time (adj.all)

antonym	:	expired,
definition	:	having come to an end or become void after passage of a period of time (adj.all)