Simple Definition of ill-advised

from our Learner's Dictionary

ill-advised

adjective

: not wise or sensible : foolish
an ill-advised decision
You would be ill-advised [=you would be making a mistake] to invest all your money in one company.

Cite this Entry

“Ill-advised.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/ill-advised. Accessed 22 Jun. 2026.

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