fleeting

About 2.21 uses per million words.

Meaning

1. adjective Passing quickly; of short duration.
2. adjective That which flees, especially quickly; fugitive.
3. noun An automatic operation mode of an absolute signal that reserves a route for several trains following one another, without the need for dispatcher to re-set the route for each train.
4. verb present participle and gerund of fleet

Similar words

momentary momentaneous moving short fugitive transient ephemeral transitory short-lived temporary

Often followed by

moment and glimpse moments as glance thought glimpses instant

Word family

fleetingly fleetingness fleetingnesses