Synonyms of momentary in English:

momentary


See definition of momentary

adjective

1‘Jamieson didn't see the momentary flash of panic in her eyes’

SYNONYMS

brief, short, short-lived, quick, fleeting, passing, transient, transitory, ephemeral, evanescent, fugitive, temporary, impermanent

rare fugacious

ANTONYMS

lengthy, lasting, permanent