1. 
[syn: erstwhile(a), former(a), old, onetime(a), one-time(a), quondam(a), sometime(a)]
The Collaborative International Dictionary of English v.0.48:
Quondam \Quon"dam\ (kw[o^]n"d[a^]m), a. [L., formerly.]
   Having been formerly; former; sometime. "This is the quondam
   king." --Shak.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Quondam \Quon"dam\, n.
   A person dismissed or ejected from a position. [R.] "Make
   them quondams; . . . cast them out of their office."
   --Latimer.
   [1913 Webster]
WordNet (r) 3.0 (2006):
quondam
    adj 1: belonging to some prior time; "erstwhile friend"; "our
           former glory"; "the once capital of the state"; "her
           quondam lover" [syn: erstwhile(a), former(a), old,
           onetime(a), one-time(a), quondam(a), sometime(a)]
Moby Thesaurus II by Grady Ward, 1.0:
22 Moby Thesaurus words for "quondam":
   ancient, bygone, early, erstwhile, fore, former, immemorial, late,
   old, olden, once, onetime, past, prehistoric, previous, primeval,
   primitive, prior, recent, sometime, then, whilom