say it: bahy-POH-lur
bipolar is an adjective meaning "of or relating to manic depressive illness". It carries 3 recorded senses.
of or relating to manic depressive illness
of, pertaining to, or occurring in both polar regions
“the bipolar distribution of certain species”
having two poles
Definitions, synonyms and semantic relations for bipolar come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.