momentaneous

• Adjectif désignant ce qui ne dure qu'un instant, très bref ou éphémère.

An obsolete adjective meaning lasting only for a moment; very brief or fleeting.

1. Very briefC1formal

   Lasting for an extremely short time; nearly instantaneous.

   Très bref

   • The momentaneous flash of lightning illuminated the sky.
   • His momentaneous hesitation cost him the race.
   • They captured a momentaneous glimpse of the rare bird.

   Synonymesbriefephemeralfleetinginstantaneousmomentarypassingshort-livedtransienttransitory

   Antonymesenduringeternallastingpermanentprotracted