fleeting

The fleeting existence of the quark pair above, like many virtual events, is represented by a Feynman diagram with a closed “loop.”

Fleeting moments are captured and stored, whether we want them to be or not.

Part of the problem is that its prevalence was equally as fleeting as a smile itself.

What had seemed immutable and eternal (“With the Soviet Union forever”) turned out to be a fleeting episode.

Those of us who live here are a fickle bunch with fleeting attention spans.

That fleeting comedic moment exemplifies Aidy Bryant at her best.

But the impression was so fleeting as to be indefinable, and soon I was busy getting everyone settled in the car.

True, he offered her just what I did, and with it he gave those fleeting joys that wealth brings.

Lady Hartledon looked back on her fleeting triumph; a triumph at the time certainly, but a short one.

Webber, the tall man with the tough face, watched the fleeting symbols and his face was stony.

But everything in this world is fleeting and transitory, and therefore it is not easy to arrive at truth.