1 sth that goes well with sth else
ADJ. ideal, natural, necessary, perfect
PREP. ~ to This wine is the perfect complement to fish.
2 total number that makes a group complete
ADJ. full | large | normal
VERB + COMPLEMENT take We've taken our full complement of trainees this year.
PREP. ~ of
ADV. well | perfectly The flavours in the dish complement each other perfectly.