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Definitions

unwise

[uhn-wahyz] / ʌnˈwaɪz /
ADJECTIVE
stupid, irresponsible
Synonyms
STRONGEST
foolhardy foolish ill-advised ill-considered imprudent inappropriate misguided naive reckless silly thoughtless undesirable unfortunate unsound
WEAK
childish immature impolitic improvident inadvisable inane indiscreet inept injudicious rash senseless short-sighted unintelligent witless
Antonyms
STRONGEST
careful cautious discreet prudent sensible serious thoughtful wise
WEAK
responsible sagacious

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Given the fragile economic outlook, some economists warn that rushing to tighten monetary policy might be unwise.

From The Wall Street Journal • Apr. 1, 2026

A congressman from Illinois named Abraham Lincoln who was very hostile to what he thought was an unwise and illegal war with Mexico.

From Slate • Mar. 2, 2026

If someone has capacity and refuses a residential home, that must be respected, even if others think it unwise.

From BBC • Feb. 24, 2026

But I am willing to bet that he made some unwise decisions about his own finances in the process.

From MarketWatch • Feb. 18, 2026

Not only was I ugly, I was unwise.

From "The Ugly One" by Leanne Statland Ellis