In fashion (etiquette), an unfashionable thought, emotion, action or other behaviour.

military offensive, an organized attack of military forces

Offensive (Netherlands), a Trotskyist political party.

In sports, computer and video gaming, or combat; the team which is attacking, pitching or moving forward.

In language or morals, terms and concepts which are unacceptable to some people, such as swearing and profanity.