- 1[often passive] cement A and B (together) to join two things together using cement, glue, etc.
- 2cement something to make a relationship, an agreement, etc. stronger synonym strengthen The President's visit was intended to cement the alliance between the two countries.
NAmE//səˈmɛnt//Verb Forms present simple I / you / we / they cement
he / she / it cements
past simple cemented
-ing form cementing