Is this your crossword clue?
"unwise" is also used as a crossword clue. If that's what you saw, the answer is often foolish (7 letters).
Definitions
not appropriate to the purpose
Word origin
From Middle English unwis, from Old English unwīs (“unwise, foolish, ignorant, uninformed, insane”), equivalent to un- + wise. Cognate with Dutch onwijs (“unwise”), German unweise (“unwise”), Danish uvis (“unwise”), Swedish ovis (“unwise”), Icelandic óvís (“unwise”).
Used in a sentence
“unwise man”
“unwise kings”
“unwise measures”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Not prudent”6 letters
Not quite right?
"Search similar patterns."
U_____