English Etymology From altruistic + -ally. Pronunciation Audio (US):(file) Adverb altruistically (comparative more altruistically, superlative most altruistically) In an altruistic manner; in a manner having regard of others Synonym: unselfishly Synonyms philanthropically Antonyms misanthropically (hatred of human race) egoistically selfishly Derived terms nonaltruistically Related terms altruist altruistic Translations in an altruistic manner Finnish: altruistisesti Italian: altruisticamente (it) Polish: altruistycznie (pl) Portuguese: altruisticamente Russian: альтруисти́чески (ru) (alʹtruistíčeski) See also misandry (hatred of males) misogyny (hatred of females)Wikiwand - on Seamless Wikipedia browsing. On steroids.