say it: ri-BUHF
rebuff is a noun and verb meaning "a deliberate discourteous act (usually as an expression of anger or disapproval)". It carries 4 recorded senses.
a deliberate discourteous act (usually as an expression of anger or disapproval)
an instance of driving away or warding off
force or drive back
“repel the attacker”
“fight off the onslaught”
“rebuff the attack”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for rebuff come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.