Delaminate is a term used in the field of materials science, which refers to the separation of layers within a composite material. Antonyms for delaminate would be words that convey a sense of integrality, cohesiveness, or unification. Words such as attach, bond, adhere, consolidate, and unify would represent opposite meanings of delaminate. These antonyms suggest that materials remain intact, unified and tightly bound, implying that there is no separation between the layers or components of a composite material. In essence, the antonyms for delaminate connote the opposite effect, which is to bring different parts of a material together and make them whole.