unwise

Meanings

1. 1
   adj

   showing or resulting from lack of judgment or wisdom

   an unwise investor is soon impoverished

2. 2
   adj

   Not wise; lacking wisdom

   unwise man

3. 3
   adj

   not appropriate to the purpose

Etymology

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”).