hypoallergenicPronunciation: /ˌhʌɪpəʊaləˈdʒɛnɪk/Translate hypoallergenic | into French | into Italian | into Spanish Definition of hypoallergenic adjective (especially of cosmetics and textiles) relatively unlikely to cause an allergic reaction. hypoallergenic in other Oxford dictionaries Definition of hypoallergenic in the US English dictionary