Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun complementary
1 sense of complementary
Sense 1
complementary color, complementary -- (either one of two chromatic colors that when mixed together give white (in the case of lights) or grey (in the case of pigments); "yellow and blue are complementaries")
=> chromatic color, chromatic colour, spectral color, spectral colour -- (a color that has hue)
Antonyms of adj complementary
2 senses of complementary
Sense 1
complementary -- (of words or propositions so related that each is the negation of the other; "`male' and `female' are complementary terms")
INDIRECT (VIA antonymous) -> synonymous -- ((of words) meaning the same or nearly the same)
Sense 2
complemental, complementary, completing -- (acting as or providing a complement (something that completes the whole))
INDIRECT (VIA additive) -> subtractive -- (constituting or involving subtraction; "a subtractive correction")
Similarity of adj complementary
2 senses of complementary
Sense 1
complementary -- (of words or propositions so related that each is the negation of the other; "`male' and `female' are complementary terms")
=> antonymous (vs. synonymous) -- (of words: having opposite meanings)
Sense 2
complemental, complementary, completing -- (acting as or providing a complement (something that completes the whole))
=> additive (vs. subtractive) -- (characterized or produced by addition; "an additive process")