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heater Synonyms
Another word for heater
Looking for synonyms for heater? Sourced from our comprehensive thesaurus, here is a list of similar words and another word for heater, organized by relevance and context.
• noun (Context 1)
A device or apparatus that generates and radiates heat, used to raise the temperature of an enclosed space or a fluid.
Usage Example
"During the bitter winter nights, they relied on a small portable radiator to keep the bedroom warm."
Strong
radiator
furnace
Weak
boiler
• noun (Context 2)
A high-speed pitch in baseball, typically thrown with maximum velocity; a fastball.
Usage Example
"The rookie pitcher struck out the veteran batter with a 98-mph fastball right down the middle of the plate."
Strongest
fastball
Weak
smoke
• noun (Context 3)
A slang term for a handgun or firearm.
Usage Example
"In the classic noir film, the detective checked his coat pocket to make sure he was carrying his gun before stepping into the alley."
Strongest
gun
pistol
Strong
firearm
piece
revolver
Opposites of heater
Looking for antonyms? The opposite of heater varies depending on the context. Here are a few common opposites:
cooler
chiller
changeup
curveball
Cite this Entry
Wordmom. (2026). Synonyms for Heater. In Wordmom Thesaurus. Retrieved Oct 15, 2026, from https://wordmom.com/synonyms/heater