adj.
1.acting as or providing a complement (something that completes the whole)
2.of words or propositions so related that each is the negation of the other
3.of or relating to or suggestive of complementation complementary n.
1.either one of two chromatic colors that when mixed together give white (in the case of lights) or gray (in the case of pigments)
Idiom of the Day
from side to side
moving from one side to the other again and again
The boat was rocking from side to side during the big storm.