Did you mean bipartisan? It is defined as: Of, consisting of, or supported by members of two parties, especially two major political parties.
Bipartisanism is the quality of being bipartisan; the state of being composed of members of two parties or of two parties cooperating, as in government.
bipartisan (adj.) - also bi-partisan, "representing or composed of members of two political parties, 1894; see bi- + partisan (adj.) "pertaining to a (political) party."
Something that’s bipartisan involves two parties finding enough common ground to support the same thing. A key aspect of something that’s bipartisan is that the two parties involved typically hold opposing views about the best way to do things, so a bipartisan agreement is one that likely involved a lot of effort, compromise, and cooperation.
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