retardant
adjective
re·tar·dant
ri-ˈtär-dᵊnt 
: serving or tending to retard
a growth-retardant substance
retardant
noun
Examples of retardant in a Sentence
Recent Examples on the Web
Air tankers dropped retardant directly on the edge of the fire to box it in today, but fire has continued to burn through the drops in some areas.
—
Ca Wildfire Bot, Sacbee.com, 28 Aug. 2025
Crews worked to suppress the fire and keep it within a retardant line that was dropped on the first day.
—Wren Smetana, AZCentral.com, 17 Aug. 2025
Supported by air resources that dropped retardant on the flames, firefighters strengthened lines around Colorado 13 and County Road 5.
—John Aguilar, Denver Post, 12 Aug. 2025
The large tankers, which are four-engine prop planes, are being retrofitted and will be able to drop more than three times the amount of fire retardant than the 1,200 gallons that S-2T air tankers based in Ramona can carry.
—Karen Kucher, San Diego Union-Tribune, 22 July 2025
See All Example Sentences for retardant
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Ca Wildfire Bot, Sacbee.com, 28 Aug. 2025
Crews worked to suppress the fire and keep it within a retardant line that was dropped on the first day.
—Wren Smetana, AZCentral.com, 17 Aug. 2025
Supported by air resources that dropped retardant on the flames, firefighters strengthened lines around Colorado 13 and County Road 5.
—John Aguilar, Denver Post, 12 Aug. 2025
The large tankers, which are four-engine prop planes, are being retrofitted and will be able to drop more than three times the amount of fire retardant than the 1,200 gallons that S-2T air tankers based in Ramona can carry.
—Karen Kucher, San Diego Union-Tribune, 22 July 2025
See All Example Sentences for retardant
Cite this Entry
“Retardant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retardant. Accessed 9 Sep. 2025.
Copy CitationKids Definition
retardant
adjective
re·tar·dant
ri-ˈtärd-ᵊnt
: serving or tending to retard
flame-retardant fabrics
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