What is a synonym for foolish?

Here are some synonyms for "foolish," depending on the specific shade of meaning you want to convey:

General synonyms:

* Silly

* Stupid

* Naive

* Unwise

* Irresponsible

* Inconsiderate

* Thoughtless

More negative connotations:

* Brainless

* Idiotic

* Imbecile (This is a very offensive term, use with extreme caution)

* Dimwitted

* Simple-minded

* Moronic

More neutral connotations:

* Uninformed

* Unknowing

* Innocent

Informal synonyms:

* Clueless

* Dumb

* Goofy

The best synonym for "foolish" will depend on the context of your sentence.