Improperly

They were asked to leave the restaurant because they were behaving improperly.

The athlete was penalized for playing improperly during the game.

The guest was asked to leave the party for behaving improperly towards other guests.

The customer complained that the product was improperly packaged.

The surgeon was accused of conducting the operation improperly, resulting in complications.

The employee was reprimanded for handling the company's confidential information improperly.

The student was scolded for speaking improperly in class.

The teacher scolded the student for behaving improperly during the school assembly.