Synonyms of on fire

on fire

phrase

as in passionate

having or expressing great depth of feeling

His heart was on fire from the day he met her.

Synonyms & Similar Words

• passionate
• warm
• passional
• emotional
• intense
• fervent
• religious
• fiery
• glowing
• ardent
• demonstrative
• charged
• incandescent
• superheated
• enthusiastic
• feverish
• red-hot
• burning
• blazing
• impassioned
• vehement
• flaming
• torrid
• fervid
• warm-blooded
• sloppy
• gung ho
• perfervid
• sentimental
• hot-blooded
• saccharine
• sugary
• keen
• mushy
• maudlin
• mawkish
• sappy
• melodramatic
• zealous
• histrionic
• obsessed
• unrestrained
• gushing
• infatuated
• uninhibited
• schmaltzy
• enamored
• gushy
• overheated
• unreserved
• frenzied
• overexcited
• orgiastic
• overemotional

Antonyms & Near Antonyms

• cold
• cool
• objective
• dry
• unemotional
• detached
• impersonal
• dispassionate
• impassive
• reserved
• emotionless
• undemonstrative

Example Sentences

Recent Examples of on fire

Two apartments are on fire in the 200 block of West Hill Street, spokesperson Donovan Sims told The Courier Journal. — Lillian Metzmeier, Louisville Courier Journal, 2 Sep. 2026

Others were burned alive after gunmen set at least a dozen houses on fire, witnesses told the National Human Rights Defense Network. — Jacqueline Charles, Miami Herald, 28 Aug. 2026

The man charged with setting a woman on fire on the Chicago Transit Authority Blue Line was not in court Thursday for a competency hearing. — Jacob Sarracino, CBS News, 27 Aug. 2026

Getting to actually live this dream for real is a one-of-one life experience, and the thrill of this type of adventure sets my heart on fire! — Terry Terrones, HollywoodReporter, 26 Aug. 2026