Antonyms of adj unilateral

2 senses of unilateral

Sense 1
unilateral (vs. multilateral), one-sided -- (involving only one part or side; "unilateral paralysis"; "a unilateral decision")

multilateral (vs. unilateral), many-sided -- (having many parts or sides)
        => bilateral, two-sided -- (having two sides or parts)
        => deep-lobed -- (having deep bilateral lobes)
        => two-lobed -- (having two lobes)
        => bipartite, two-part, two-way -- (involving two parts or elements; "a bipartite document"; "a two-way treaty")
        => joint -- (involving both houses of a legislature; "a joint session of Congress")
        => multipartite -- (involving more than two parties)
        => quadrilateral, four-sided -- (having four sides)
        => five-sided -- (having five sides)
        => six-sided -- (having six sides)
        => seven-sided -- (having seven sides)
        => eight-sided -- (having eight sides)
        => nine-sided -- (having nine sides)
        => ten-sided -- (having ten sides)
        => eleven-sided -- (having eleven sides)
        => twelve-sided -- (having twelve sides)
        => quadripartite, four-party -- (involving four parties)
        => tetramerous -- (having or consisting of four similar parts; tetramerous flowers)
        => three-cornered -- (involving a group or set of three; "a three-cornered race")
        => three-lobed -- (having three lobes)
        => four-lobed -- (having four lobes)
        => five-lobed -- (having five lobes)
        => many-lobed -- (having many lobes)
        => palmately-lobed -- (having lobes radiating from a central point)
        => trilateral, triangular, three-sided -- (having three sides; "a trilateral figure")
        => tripartite, three-party, three-way -- (involving three parties or elements; "a tripartite treaty"; "a tripartite division"; "a three-way playoff")

Sense 2
unilateral -- (tracing descent from either the paternal or the maternal line only)

INDIRECT (VIA lineal) -> collateral, indirect -- (descended from a common ancestor but through different lines; "cousins are collateral relatives"; "an indirect descendant of the Stuarts")

Similarity of adj unilateral

2 senses of unilateral

Sense 1
unilateral (vs. multilateral), one-sided -- (involving only one part or side; "unilateral paralysis"; "a unilateral decision")
       => one-party -- (determined by a single party)

Sense 2
unilateral -- (tracing descent from either the paternal or the maternal line only)
       => lineal (vs. collateral), direct -- (in a straight unbroken line of descent from parent to child; "lineal ancestors"; "lineal heirs"; "a direct descendant of the king"; "direct heredity")