fleeting

1. 1
   adjective

   Lasting only a very short time before it is gone.

   Like a snowflake that melts the moment it lands on your hand.

   She gave him a fleeting smile before hurrying away.

   We only had a fleeting moment together at the party.

   Similarbrief, passing, momentary, short-lived, temporary

   Oppositelasting, permanent, enduring, long-lived

   Note
2. 2
   verb

   The -ing form of fleet. Use it after am, is, are, was or were, or to name the action.

   Note
3. 3
   nounUSuncountable

   A signal setting that holds a route open for several trains in a row, without resetting it each time.

   Like holding a door open so a line of people can walk through one after another.

   The dispatcher turned on fleeting so trains could pass one after another.

   Fleeting lets several trains follow the same route without resetting the signal.

   Note

Showing meanings only. Show all 3