- 1consummate something to make a marriage or a relationship complete by having sex The marriage lasted only a week and was never consummated.
- 2consummate something to make something complete or perfect
NAmE//ˈkɑnsəˌmeɪt//(formal)Verb Forms present simple I / you / we / they consummate
he / she / it consummates
past simple consummated
-ing form consummating