Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun trilateral

1 sense of trilateral

Sense 1
triangle, trigon, trilateral -- (a three-sided polygon)
       => polygon, polygonal shape -- (a closed plane figure bounded by straight sides)

Antonyms of adj trilateral

2 senses of trilateral

Sense 1
trilateral -- (involving three parties; "trilateral talks")

INDIRECT (VIA reciprocal) -> nonreciprocal -- (not reciprocal)

Sense 2
trilateral, triangular, three-sided -- (having three sides; "a trilateral figure")

INDIRECT (VIA multilateral) -> unilateral, one-sided -- (involving only one part or side; "unilateral paralysis"; "a unilateral decision")

Similarity of adj trilateral

2 senses of trilateral

Sense 1
trilateral -- (involving three parties; "trilateral talks")
       => reciprocal (vs. nonreciprocal), mutual -- (concerning each of two or more persons or things; especially given or done in return; "reciprocal aid"; "reciprocal trade"; "mutual respect"; "reciprocal privileges at other clubs")

Sense 2
trilateral, triangular, three-sided -- (having three sides; "a trilateral figure")
       => multilateral (vs. unilateral), many-sided -- (having many parts or sides)