Meaning ofcomplementsin English

Noun

1. something that completes; fills a gap
2. the full amount that makes something whole
3. an accessory; something extra (equipment, dress)
4. a matching part; something that enhances
5. something that completes or enhances another; a harmonious addition
6. a word or phrase completing a grammatical construction
7. a set containing elements not in another set
8. a blood protein aiding immune response