obsessiveEnglishOxford American Thesaurusobsessive adjective reckless and obsessive love | an obsessive gambler: all-consuming, consuming, compulsive, dominating, controlling, obsessional, addictive, fanatical, fanatic, neurotic, excessive, besetting, gripping, haunting, tormenting, inescapable; informal pathological; US, informal wackadoo, wackadoodle.