from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Lacking or exhibiting a lack of good sense or judgment; silly: foolish remarks.
- adj. Resulting from stupidity or misinformation; unwise: a foolish decision.
- adj. Arousing laughter; absurd or ridiculous: a foolish grin.
- adj. Immoderate or stubborn; unreasonable: foolish pride; foolish love.
- adj. Embarrassed; abashed: I feel foolish telling you this.
- adj. Insignificant; trivial: spent all their money on foolish little knickknacks.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Lacking good sense or judgement; unwise.
- adj. Resembling or characteristic of a fool.
from the GNU version of the Collaborative International Dictionary of English
- adj. Marked with, or exhibiting, folly; void of understanding; weak in intellect; without judgment or discretion; silly; unwise.
- adj. Such as a fool would do; proceeding from weakness of mind or silliness; exhibiting a want of judgment or discretion.
- adj. Absurd; ridiculous; despicable; contemptible.
from The Century Dictionary and Cyclopedia
- Like a fool; manifesting folly; deficient in understanding, sense, or discretion; weak in intellect or judgment; unwise.
- Proceeding from or prompted by folly; exhibiting a want of discretion or discrimination; silly; vain; trifling.
- Ridiculous; contemptible.
- Denoting or indicative of folly.
- Slight; insignificant.
- Synonyms Silly, Foolish (see absurd); shallow, brainless, harebrained, simple.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. having or revealing stupidity
- adj. devoid of good sense or judgment
fool + -ish (Wiktionary)