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Definition of nonideal
nonideal
/ˌnɑːn.aɪˈdiː.əl/
non · i · de · al
nonideal Lexical Profile
CEFR
C1
Grade
11
Tier
2
Usage
Rare
Syllables
4
nonideal Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
In physics, chemistry, and engineering, deviating from theoretical laws or simplified mathematical models (such as the ideal gas law) due to real-world factors like intermolecular forces, friction, or internal resistance.
Example
"At high pressures and low temperatures, the researcher had to account for the nonideal behavior of the gas."
2
Less than optimal, perfect, or most desirable; imperfect or unsatisfactory.
Example
"Working in a cramped, noisy office is a nonideal situation for writing complex reports."
Synonyms
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Cite this Entry
Wordmom. (2026). Definition of Nonideal. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/nonideal