Synonyms of the word 
ONOMATOPOEIC → ECHOIC - IMITATIVE - ONOMATOPOETIC
onomatopoeic
- adj. Of or relating to onomatopoeia.
- adj. Having the property of onomatopoeia.
echoic
- adj. Of or pertaining to an echo.
- adj. imitative of a sound; onomatopoeic.
imitative
- adj. Imitating; copying; not original.
- adj. Modelled after another thing.
onomatopoetic
- adj. (uncommon) Alternative spelling of onomatopoeic; concerning or characterized by onomatopoeia.
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