adhesive(noun, adjective) adjective1. tending to adhereSimilar word(s): adherent, agglutinate, agglutinative, bondable, coherent, tenacious, cohesive, gluey, glutinous, gummy, mucilaginous, pasty, sticky, viscid, viscous, gooey, icky, gummed, pitchy, resinous, resiny, tarry noun1. a substance that unites or bonds surfaces togetherDefinition categories: substance, material, stuff