Home › Words › A › antiallergenantiallergenantiallergen means any antiallergenic substance.EtymologyFrom anti- + allergen.nounAny antiallergenic substance.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.antiallergenic 87% match — Countering allergic reactions. vs antiallergen →antiallergy 75% match — Countering an allergy. vs antiallergen →antiallergic 74% match — That prevents, or relieves an allergy vs antiallergen →allergen 71% match — A substance which causes an allergic reaction. vs antiallergen →anallergenic 71% match — Free of allergens; not allergenic. vs antiallergen →allergenic 67% match — Of or pertaining to an allergen. vs antiallergen →traxanox 64% match — An antiallergic drug. vs antiallergen →allergic 63% match — Of or pertaining to allergy. vs antiallergen →