athematic

[ ey-thee-mat-ik ]
/ ˌeɪ θiˈmæt ɪk /

adjective

inflected without a thematic vowel.

Origin of athematic

First recorded in 1890–95; a-6 + thematic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for athematic

British Dictionary definitions for athematic

athematic
/ (ˌæθɪˈmætɪk) /

adjective

music not based on themes
linguistics (of verbs) having a suffix attached immediately to the stem, without an intervening vowel
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012