- complementarity - a relation between two opposite states or principles that together exhaust the possibilities
--1 is a kind of ungradable opposition
- complementarity - the interrelation of reciprocity whereby one thing supplements or depends on the other; "the complementarity of the sexes"
--2 is a kind of reciprocality, reciprocity
- complementarity - the interrelation of reciprocity whereby one thing supplements or depends on the other; "the complementarity of the sexes"