Quondam

Adjective

 * 1) former; once; at one time
 * My quondam girlfriend is now my wife.

Thesaurus
ancient, bygone, early, erstwhile, fore, former, immemorial, late, old, olden, once, onetime, past, prehistoric, previous, primeval, primitive, prior, recent, sometime, then, whilom

Etymology
Latin quondam

Synonyms

 * erstwhile
 * See also Thesaurus:former