n.
1.a word or phrase used to complete a grammatical construction
2.a complete number or quantity
3.number needed to make up whole force
4.something added to complete or make perfect
5.one of a series of enzymes in the blood serum that are part of the immune response
6.either of two parts that mutually complete each other complement v.
1.make complete or perfect
Idiom of the Day
lead (someone) on
to deceive someone, to mislead someone
The salesman tried to lead me on about the new product.