disruptive

adjective
UK /dɪsˈrʌptɪv/
US /dɪsˈrʌptɪv/

Something disruptive stops things from going on as normal.

The loud music was disruptive to the class.


OTHER MEANINGS

2. Causing a big change in the way something works, often in a new and clever way.

The internet was a disruptive invention that changed how we live.

3. Causing trouble or disorder in a group or place.

The disruptive student kept talking during the lesson.

4. Causing something to break apart or stop working.

The storm had a disruptive effect on the train schedule.