Find Synonyms

furnace Synonyms

Another word for furnace

Choosing another word for furnace depends on context, so the 13 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• 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 boiler struggled to keep the house warm."

Strong
boiler
heater

• 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 kiln."

Strong
kiln
incinerator
foundry
forge
Weak
crematorium

• noun (Context 3)

A place or environment characterized by extreme or oppressive heat.

Usage Example

"By midday, the small, unventilated attic had become a oven."

Strongest
oven
sauna
Strong
sweatbox
hothouse
inferno
cauldron

Opposites of furnace

The opposite of furnace shifts depending on context. Common opposites include:

icebox
freezer
refrigerator
air conditioner
See all opposites of furnace

• Nearby Words

furless
furlike
furlough
furnace
furnish
furnisher
furnishing

Cite this Entry

Wordmom. (2026). Synonyms for Furnace. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/furnace
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