bipartisan UK /ˌbaɪˈpɑː(ɹ).tɪ.zæn/US /baɪˈpɑɹ.tə.sən/ adjective1 •Relating to, or supported by two groups, especially by two political parties.The derision for this bipartisan bill is—sigh—bipartisan. Hugh Hewitt scoffs at the idea that employers will respond to a $1000 gimmick. — 2010