Definition from Wiktionary, the free dictionary
unipolar (not comparable)
- Having a single pole.
2008, Dec. 31, “Michael Kinsley”, in The Bush Presidency, Eight Years Later:
- All that talk of one superpower -- us -- bestriding a "unipolar" world seems as dated as Seinfeld reruns.
- (psychology, medicine) Not both depressive and manic; not bipolar.