Cancel Silence Halt End Hush Cease Abort Knock it off Lay off Discontinue Note that “Quiet” won’t work, this will just decrease the volume one step.
This also works the same with timers. You can stop a particular timer you have named by saying its name. For example, “Alexa, stop kitchen timer. "
If the room is very noisy or if Alexa isn’t recognizing your voice for some other reason, this is the quickest alternative.
Open the Alexa app. Tap ☰. Tap Reminders & Alarms. Tap on Reminders, Alarms, or Timers. Tap the switch for an alarm to toggle it off. Select a timer and tap Cancel. Select a reminder and tap Mark As Completed.