antifreeze

noun

an·​ti·​freeze ˈan-ti-ˌfrēz 

1

: a substance added to a liquid (such as the water in an automobile engine) to lower its freezing point

2

: any of various substances (such as proteins or alcohols) that are found in some living organisms (such as certain fish and insects) and serve to lower the freezing point of body fluids especially by limiting ice crystal growth

Examples of antifreeze in a Sentence

Recent Examples on the Web

The night before, Gein had been at the store and, according to Worden's son, he was expected to return the next morning to buy some antifreeze. —Chris Foran, jsonline.com, 28 Aug. 2025

The model suggested baking him muffins laced with antifreeze. —Quanta Magazine, 13 Aug. 2025

Common household hazardous waste items include antifreeze, motor oil, batteries, paints, pesticides and household smoke detectors. —Post-Tribune, Chicago Tribune, 4 Aug. 2025

Monday’s crazed killer referenced former Steeler Terry Long, a CTE victim who killed himself by downing antifreeze. —Greg Marotta, New York Daily News, 1 Aug. 2025

Word History

First Known Use

1903, in the meaning defined at sense 1

Rhymes for antifreeze

• abcs
• absentees
• addressees
• adoptees
• allottees
• amputees
• appellees
• appointees
• arrestees
• artistes
• assamese
• assignees

Kids Definition

antifreeze

noun

an·​ti·​freeze ˈant-i-ˌfrēz 

: a substance added to a liquid (as the water in an automobile radiator) to prevent freezing