Difference between Foolish and Wacky

FOOLISH vs WACKY: NOUN

Having or revealing stupidity
Lacking or exhibiting a lack of good sense or judgment; silly.
Capable of arousing laughter; absurd or ridiculous.
Embarrassed; abashed.
Insignificant; trivial.
Devoid of good sense or judgment
Such as a fool would do; proceeding from weakness of mind or silliness; exhibiting a want of judgment or discretion.
Absurd; ridiculous; despicable; contemptible.
Lacking good sense or judgement; unwise.
Resembling or characteristic of a fool.
Marked with, or exhibiting, folly; void of understanding; weak in intellect; without judgment or discretion; silly; unwise.

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.

Insane, Nonsensical, Unreasonable, Harebrained, Fatuous, Fool, Preposterous, Absurd, Asinine, Ridiculous, Misguided, Ludicrous, Silly, Stupid, Unwise

Kookie, Dotty, Barmy, Cockamamie, Daft, Batty, Insane, Bonkers, Loony, Silly, Loopy, Nutty, Goofy, Kooky, Zany

Insane, Nonsensical, Unreasonable, Harebrained, Fatuous, Fool, Preposterous, Absurd, Asinine, Ridiculous, Misguided, Ludicrous, Silly, Stupid, Unwise

Kookie, Dotty, Barmy, Cockamamie, Daft, Batty, Insane, Bonkers, Loony, Silly, Loopy, Nutty, Goofy, Kooky, Zany

Anyone not using the AMEX deal is foolish.
MASTER: That would be very foolish of you.
Are Economic Giants Penny Wise But Pound Foolish?
Baloo knows it; I know it; the Pack know it; and even the foolish, foolish deer know.
So, the preaching of the gospel is not foolish, but the question today is: Is there such a thing as foolish preaching?
You looked foolish the last two times you said it for the previous two contracts, and you will look foolish again this time.
Of all the foolish Fears of Humankind, Fear of the Future is by far the most foolish.
There are no foolish trades, there are only foolish people.
Young and Foolish Young and foolish Why is it wrong to be Young and foolish?
That foolish idea may not be so foolish after all.

Jim, like Wacky Adventurer said, change is good.
Instructables provides project guidelines for this wacky, Dr.
Elementary students come with mixed up, wacky clothes.
This is where Excel gets a bit wacky.
Wacky Riddles - Riddles.nuRiddles with answers for everyone Here you will find interesting and fun wacky riddles, sayings and puzzles of all kinds.
Are the Wacky Pack Toys bring given match the POP outside, and no mints being served with the Wacky Pack?
These are wacky races, heavy on the wacky, easy on the racing.
Topps has announced that its next Wacky Packages series will be called Wacky Pack Flashback.
Second graders dressed for Wacky Wednesday because we are Wacky about books!
Wacky Wacky baccy for satisfaction 7th May 1999. comp.software.year-2000.