A quick definition of indecent assault:

Indecent assault is when someone touches another person in a sexual way without their permission. It is a type of assault, which is when someone threatens or uses force to make another person afraid of being hurt. Assault can also include trying to hurt someone physically. There are different types of assault, like aggravated assault, which is when someone uses a weapon to threaten or hurt someone, and sexual assault, which is when someone touches another person in a sexual way without their permission. Assault is a crime and can be punished by law.