Definition of unwise in US English:



  • (of a person or action) not wise or sensible; foolish.

    ‘it is unwise to rely on hearsay evidence’
    ‘unwise policy decisions’
    • ‘The Government would be very unwise and foolish to attempt to get rid of her.’
    • ‘We also noted that we would be unwise to conclude from these events that Casanova was exceptionally talented or clever.’
    • ‘It's always unwise to try and guess what Diana might or might not have thought or said.’
    • ‘You would be most unwise, in local government, to assess a person as having needs that you knew you could not possibly pay for.’
    • ‘For decades you have managed to stay out of politics; don't follow the unwise example of your son, who has not.’
    • ‘I often thought suffering is due to unwise management and control of the self.’
    • ‘My thoughts were that this might be a bit unwise when he had not had any sleep for several nights.’
    • ‘With this strong lineup, missing this show would be an unwise choice for the alternative fan in all of us.’
    • ‘It would be a very unwise person who assumed that a particular drug substance was compatible with any excipient.’
    • ‘In most cases, it would be unwise to depend upon politicians when it came to bringing harmony into life.’
    • ‘He said it would be highly unwise to consider withdrawing the very measure that had proved so vital in the past.’
    • ‘It was not a mistake or a poor judgment - nor was it an unwise investment decision.’
    • ‘Having said that, it would be an unwise team that chose to take liberties with this feisty Currie team.’
    • ‘He said it was not for the court to decide whether it was wise or unwise, but whether it was open to the Government to make.’
    • ‘Although the current climate may not be inspiring, it would be unwise to write off the potential of share incentives.’
    • ‘It was not love that he held for me, only obsession and I was unwise to not have notice this and blindly believe him.’
    • ‘We believe it is unwise and unnecessary to destroy the program in order to save it.’
    • ‘Anybody who had anything of value in his room was very unwise to walk out of his room without locking the door behind him.’
    • ‘They would be unwise if they did not, as more than one has admitted.’
    • ‘I believe the firemen deserve a decent pay rise but they were unwise to ask for 40 per cent.’
    injudicious, ill-advised, imprudent
    View synonyms


Old English unwīs (see un-, wise).