Definition of athematic in English:
2 Grammar (Of a verb form) having a suffix attached to the stem without a connecting (thematic) vowel.
- In athematic conjugation, the final long vowel of the verbal stem becomes short in the plural number.
- The athematic or weak verbs are ordered into four classes, to which some special cases are added.
- The athematic or irregular verbs generally omit the use of a theme vowel and frequently vary their stems.
Definition of athematic in:
- US English dictionary