Rebuff/rɪˈbʌf/ Definition 1 of 2Pro Tip 1/3Negative Feeling Rebuff implies a negative emotion, suggesting hurt feelings or insult. Her rebuff left me feeling unwanted. Pro Tip 2/3Strong Refusal A rebuff is more forceful and final than a gentle refusal or mere disagreement. The committee's rebuff of the proposal was unexpectedly harsh. Pro Tip 3/3Public Perception A rebuff may be perceived as disrespectful or embarrassing in public situations. His rebuff of the award shocked the audience.