Onomatopoeian Full definition of onomatopoeian Noun (obsolete ) A word formed by onomatopoeia . 1818 , John Ray , A compleat collection of English proverbs. To which is added, A collection of English words not generally used. Repr. verbatim from the ed. of 1768 Chapter South and East Country Words, To slump ; to slip, or fall plum down into any dirty, or wet place. It seems to he a word made per onomatopoeian from the sound. 1860 , Frederic William Farrar , An essay on the origin of language: based on modern researches, and especially on the works of M. Renan Chapter The Development of Roots, We have already alluded to the root "ach," as having been in all probability an onomatopÅ“ian which gives rise, to a large number of cognate words in the Indo-European languages. Adjective (obsolete ) Of or pertaining to onomatopoeia . 1867 , Gail Hamilton , Wool-gathering Chapter , Hangs is a false word, — a Northern corruption of the negro dialect yang , — an onomatopÅ“ian word, representing the "far heard clang" of the wild goose. © Wiktionary