lubricant
noun
lu·bri·cant
ˈlü-bri-kənt 
1
: a substance (such as grease) capable of reducing friction, heat, and wear when introduced as a film between solid surfaces
2
: something that lessens or prevents friction or difficulty
a social lubricant
lubricant
adjective
Examples of lubricant in a Sentence
The car's axles need more lubricant.
using humor as a social lubricant
Recent Examples on the Web
There are hundreds of lubricants on the market, but most of them aren’t particularly aesthetically pleasing.
—
Jennifer Adams, StyleCaster, 28 May 2025
In a hallway closet near the primary bedroom, federal agents found 25 bottles of baby oil and 31 bottles of Astroglide lubricant.
—Jenna Sundel
joshua Rhett Miller, MSNBC Newsweek, 21 May 2025
The jury also saw photos of boxes filled with bottles of baby oil and Astroglide lubricant in a closet in the home.
—Nicki Brown, CNN Money, 21 May 2025
Several additional photos of oil and lubricant were later presented.
—Ingrid Vasquez, People.com, 20 May 2025
See All Example Sentences for lubricant
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Jennifer Adams, StyleCaster, 28 May 2025
In a hallway closet near the primary bedroom, federal agents found 25 bottles of baby oil and 31 bottles of Astroglide lubricant.
—Jenna Sundel
joshua Rhett Miller, MSNBC Newsweek, 21 May 2025
The jury also saw photos of boxes filled with bottles of baby oil and Astroglide lubricant in a closet in the home.
—Nicki Brown, CNN Money, 21 May 2025
Several additional photos of oil and lubricant were later presented.
—Ingrid Vasquez, People.com, 20 May 2025
See All Example Sentences for lubricant
Cite this Entry
“Lubricant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lubricant. Accessed 4 Jun. 2025.
Copy CitationKids Definition
lubricant
noun
lu·bri·cant
ˈlü-bri-kənt
: something (as a grease or oil) capable of reducing friction when applied between moving parts
lubricant
adjective
Medical Definition
lubricant
1 of 2 adjective
lu·bri·cant
ˈlü-bri-kənt
: serving to lubricate a surface or part
lubricant
2 of 2 noun
: a substance that serves to lubricate a surface or part
normally, the intestinal passage requires no artificial lubricant—E. B. Steen & Ashley Montagu
E. B. Steen & Ashley MontaguLove words? Need even more definitions?
Merriam-Webster unabridged
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