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Definition of unwise
unwise
/ʌnˈwaɪz/
un · wise
Adverb:unwisely
unwise Lexical Profile
CEFR
B1
Grade
5
Tier
2
Usage
Top 5k
Syllables
2
unwise Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Not wise or sensible; lacking good judgment, prudence, or foresight.
Example
"It would be unwise to invest all of your savings into a single high-risk venture."
Synonyms
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View all antonyms for unwise• Rhymes for unwise
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Word Origin & Etymology
From Old English unwis, formed from the negative prefix un- ('not') and wis ('wise, prudent, learned'), dating back to the earliest written records of the language.
Cite this Entry
Wordmom. (2026). Definition of Unwise. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/unwise