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retardant Synonyms

Another word for retardant

Choosing another word for retardant depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• noun (Context 1)

A chemical substance or agent used to slow down or prevent a physical or chemical process, particularly combustion or the spread of fire.

Usage Example

"Firefighters dropped thousands of gallons of chemical inhibitor along the ridge to contain the wildfire."

Strongest
inhibitor
Strong
suppressant

• adjective (Context 2)

Preventing, slowing down, or delaying a process or reaction, especially the spread of fire.

Usage Example

"The children's pajamas are made from a specially treated, flame-inhibiting fabric."

Strong
inhibiting
suppressing
delaying

Opposites of retardant

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

accelerant
accelerating
catalyst
flammable
See all opposites of retardant

• Nearby Words

retama
retape
retard
retardant
retardation
retarded
retarget

Cite this Entry

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