say it: FUR-vur
fervor is a noun meaning "feelings of great warmth and intensity". It carries 2 recorded senses.
the state of being emotionally aroused and worked up
“his face was flushed with excitement and his hands trembled”
“he tried to calm those who were in a state of extreme inflammation”
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 fervor 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.