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furnace Synonyms
Another word for furnace
Looking for synonyms for furnace? Sourced from our comprehensive thesaurus, here is a list of similar words and another word for furnace, organized by relevance and context.
• noun (Context 1)
A large appliance, typically installed in a basement or utility room, that heats air or water to be circulated throughout a building.
Usage Example
"When the winter storm hit, our basement heater struggled to keep the house warm."
Strong
heater
boiler
• noun (Context 2)
An enclosed structure in which material can be heated to very high temperatures, typically used for smelting metals, firing ceramics, or burning refuse.
Usage Example
"The steelworkers carefully monitored the temperature inside the blast forge."
Strong
forge
kiln
Weak
incinerator
oven
• noun (Context 3)
A place or environment characterized by extreme or oppressive heat.
Usage Example
"By midday, the small, unventilated attic had become a inferno."
Strong
inferno
oven
Opposites of furnace
Looking for antonyms? The opposite of furnace varies depending on the context. Here are a few common opposites:
icebox
freezer
Cite this Entry
Wordmom. (2026). Synonyms for Furnace. In Wordmom Thesaurus. Retrieved Oct 14, 2026, from https://wordmom.com/synonyms/furnace