unilateral Antonyms

multilateral trihedral trilateral tripartite triquetrous triumvirate twain two-sided united tetrahedral trigonal trifurcate tetramerous three three-cornered threefold three-lobed three-sided three-way triangular wedge-shaped joint venture bidirectional deep-lobed eleven-sided five-lobed five-sided four-lobed four-party four-sided three-party two-pronged three-pronged triplex bilaterally bipartisan two-way house of commons collectivistic multi-faceted multitalented six-sided cross functional ternary bifacial communal communalistic comprehensive concerted conjoint