THESAURUS
unilateral
bifacial, bilateral, dihedral, flanked, handed, lateral, many-sided, monadal, monadic, multilateral, one-piece, one-sided, polyhedral, quadrilateral, sided, tetrahedral, three-sided, trihedral, trilateral, triquetrous, two-sided, uniangulate, unibivalent, unibranchiate, unicameral, unicellular, unicuspid, unidentate, unidigitate, unidimensional, unidirectional, uniflorous, unifoliate, unifoliolate, unigenital, uniglobular, unilinear, uniliteral, unilobed, unilobular, unimodular, unimolecular, uniocular, unipart, unipartite, unipolar, univalent, univocal