waste of time

• Activité ou effort inutile, improductif ou qui ne vaut pas le temps qu'on y consacre.

An activity or effort that is unproductive, pointless, or not worth the time spent on it.

1. Unproductive activityA2informal

   An activity or task that does not produce any useful result or benefit.

   perte de temps

   • Waiting in line for two hours was a complete waste of time.
   • He thinks playing video games is a waste of time.
   • Don't waste your time arguing with him.

2. Ineffective effortB1informal

   Effort that leads to no meaningful outcome or achievement.

   perte de temps

   • Trying to fix that old computer is a waste of time.
   • The meeting was a waste of time; nothing was decided.
   • She felt that the training session was a waste of time.