Use fervor to describe an intensity of emotion or expression. Fans of the Los Angeles Dodgers show so much fervor that they "bleed Dodger blue."

This noun comes to us from Latin fervere, meaning "to boil, glow." In the English word fervor, the suffix –or means "a condition or property of something." There is another –or suffix that means "a person or thing that does the thing expressed by the verb." A corresponding adjective is fervent; synonyms of the noun and adjective are ardor and ardent.

Definitions of fervor

n feelings of great warmth and intensity

ardor, ardour, fervency, fervidness, fervour, fire
excessive fervor to do something or accomplish some end
Type of:
passion, passionateness
a strong feeling or emotion

n the state of being emotionally aroused and worked up

excitation, excitement, fervour, inflammation
fever pitch
a state of extreme excitement
a state of widespread public excitement and interest
Type of:
emotional arousal
the arousal of strong emotions and emotional behavior

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