"lasting but a moment, of short duration," mid-15c., momentare, from Late Latin momentarius "of brief duration," from Latin momentum "a short time, an instant" (see.

What is the root word for momentarily?

If it lasts just a moment, it's momentary. The root word is the Latin momentarius, "of brief duration," which in turn comes from momentum, "short time, or instant." Definitions of momentary.

What does momentarily mean in the UK?

Momentarily means for a short time. [mainly British, written] She paused momentarily when she saw them. Synonyms: briefly, for a moment, temporarily, for a second More Synonyms of momentarily. 2.