- not based on themes
- (of verbs) having a suffix attached immediately to the stem, without an intervening vowel
WordReference Random House Unabridged Dictionary of American English © 2026
a•the•mat•ic
(ā′thē mat′ik),USA pronunciation adj.
- Grammarinflected without a thematic vowel.
- a-6 + thematic 1890–95
Collins Concise English Dictionary © HarperCollins Publishers::
athematic /ˌæθɪˈmætɪk/ adj