Difference between Foolish and Sappy

FOOLISH vs SAPPY: ADJECTIVE

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

Abounding in sap
Pungent adjectives of disesteem
Excessively sentimental; mawkish.
Silly or foolish.
Full of sap.
Abounding with sap; full of sap; juicy; succulent.
Hence, young, not firm; weak, feeble.
Weak in intellect.
Abounding in sap; resembling, or consisting largely of, sapwood.
Musty; tainted.
Excessively sweet, emotional, nostalgic; cheesy; mushy. (British equivalent: soppy)
Having sap or having to do with sap.
Ludicrous, foolish

Synonyms Silly, Foolish (see absurd); shallow, brainless, harebrained, simple.
Slight; insignificant.
Denoting or indicative of folly.
Ridiculous; contemptible.
Proceeding from or prompted by folly; exhibiting a want of discretion or discrimination; silly; vain; trifling.
Like a fool; manifesting folly; deficient in understanding, sense, or discretion; weak in intellect or judgment; unwise.

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

Zero, Nil, Null, Gooey, Lame, Cockamamy, Unreasonable, Cockamamie, Fool, Foolish, Juicy, Wacky, Zany, Silly, Goofy

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

Zero, Nil, Null, Gooey, Lame, Cockamamy, Unreasonable, Cockamamie, Fool, Foolish, Juicy, Wacky, Zany, Silly, Goofy

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.

Your sappy thoughts of baby might help you pump more milk.
Is the holiday season getting a bit too sappy for you?
For starters, the man is a sappy romantic who loves kids.
Likewise, the family story line is touching without being too sappy.
You can make it sappy, sweet, silly, or something in between.
It has come to mean expressions of sappy, gooey sentimentality.
He is a romantic who cries at sappy movies.
He got hit right underneath that side sappy.
Not all these sappy liquids are resins however.
From New Wave to grunge, from dance-pop to hip-hop, from sappy love songs to, well, sappy love songs.