Meaning & Definition
adjective
lasting for a very short time; ephemeral.
The momentary flash of lightning startled everyone in the room.
occurring or existing only for a brief period.
She felt a momentary sense of joy before the realization of her loss set in.
temporary; transitory.
His momentary hesitation resulted in missing the opportunity.
briefly appearing or happening.
There was a momentary pause in the conversation before they continued.
Etymology
From Latin 'momentarius', from 'momentum' meaning 'movement'.
Common Phrases and Expressions
momentary lapse:
a brief failure or error in judgment.
momentary bliss:
a brief period of happiness or joy.
Slang Meanings
A quick high or peak experience.
That rush from the ride was just a momentary high.
A brief, intense emotion.
She was in a momentary panic when she thought she lost her phone.