adhesive /ədˈhiː.sɪv/adjective 2noun 1forms 3 adjective2 •Sticky; tenacious, as glutinous substances. •Apt or tending to adhere; clinging. noun1 •a substance, such as glue, that provides or promotes adhesionThe label wouldn’t stick without strong adhesive.They used an adhesive to repair the broken vase. formsadhesives · more adhesive · most adhesive