THESAURUS
unidirectional
direct, immediate, irreversible, monadal, monadic, one-piece, one-sided, one-way, straight, straightaway, straightforward, straightway, unbroken, undeviating, uniangulate, unibivalent, unibranchiate, unicameral, unicellular, unicuspid, unidentate, unidigitate, unidimensional, uniflorous, unifoliate, unifoliolate, unigenital, uniglobular, unilateral, unilinear, uniliteral, unilobed, unilobular, unimodular, unimolecular, uninterrupted, uniocular, unipart, unipartite, unipolar, univalent, univocal, unswerving