momentary suggests coming and going quickly and therefore being merely a brief interruption of a more enduring state.

He accidentally forgot two students' names and hastily added them at the end -- a momentary omission that inflicted him with lasting embarrassment.

MOMENTARY definition: lasting but a moment; very brief; fleeting. See examples of momentary used in a sentence.

Definition of momentary adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

momentary in British English (ˈməʊməntərɪ , -trɪ ) adjective lasting for only a moment; temporary

1. Lasting for only a moment. 2. Occurring or present at every moment: in momentary fear of being exposed. 3. Short-lived or ephemeral, as a life.

Dec 11, 2025 · momentary (comparative more momentary, superlative most momentary) Lasting for only a moment. (obsolete) Happening at every moment; perpetual.