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Definition of friction
friction
/ˈfrɪk.ʃən/
fric · tion
Adverb:frictionally
•Plural:frictions
•Adjective:frictional
friction Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
Top 5k
friction Game Scores & Validity
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WWF
Wordle Guess
• noun
1
The physical resistance that one surface or object encounters when moving over another.
Example
"The engineers used specialized oil to reduce the friction between the moving parts of the engine."
2
Conflict or animosity caused by a clash of wills, temperaments, or opinions.
Example
"There is constant friction between the sales and engineering departments regarding project timelines."
3
The action of rubbing one surface or object against another.
Example
"The friction of the two dry sticks rubbing together eventually generated enough heat to start a fire."
Synonyms
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View all antonyms for friction• Rhymes for friction
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Word Origin & Etymology
Mid 16th century: from French, or from Latin frictio(n-), from the verb fricare 'to rub'.
Cite this Entry
Wordmom. (2026). Definition of Friction. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/friction