say it: awl-troo-I-stik
altruistic is an adjective meaning "showing unselfish concern for the welfare of others". It is pronounced /ˌɔltɹuˈɪstɪk/ — awl-troo-I-stik. It carries one recorded sense.
Definitions, synonyms and semantic relations for altruistic come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.