›[C]LAWan illegal act or crime: It is a criminal offence to mislead customers about the price of an item.a serious/major/minor offencebe/become an offenceIt became an offence for British citizens to offer bribes for business contracts anywhere in the world.commit an offenceIn practising as a solicitor without being duly qualified, he committed an offence.be accused of/found guilty of/convicted of an offenceShe was convicted of drug offences.
›[U]feelings of being upset and angry, often because someone has been rude: This advertisement may cause offence in some markets.She took offence at the way the assistant spoke to her.
a sackable/sacking offenceUK(USa firing offense)›HRa wrong action that you can lose your job for: Drinking alcohol while on duty is a sackable offence.