Refuse/rɪˈfjuːzɪzdɪŋ/ Definition 1 of 3Pro Tip 1/3Strong Denial Used to firmly reject something, often with determination. He refused the offer with a shake of his head. Pro Tip 2/3No Negotiation Implies a non-negotiable stance when declining something. She refused to negotiate on the price. Pro Tip 3/3Polite Disagreement Can be used politely in social contexts to decline offers. I must refuse your invitation, but thank you.