onomatopoeicPronunciation: /ˌɒnə(ʊ)matəˈpiːɪk/Definition of onomatopoeic adjective using or relating to onomatopoeia:onomatopoeic words like ‘bang’ and ‘coo’Derivatives onomatopoeically adverb onomatopoeic in other Oxford dictionaries Definition of onomatopoeic in the US English dictionary