
1) Amusing act 2) Blockhead 3) Blooper 4) Blow it 5) Blunder 6) Bobble 7) Boo-boo 8) Bozo 9) Bungle 10) Careless error 11) Careless mistake 12) Clinker 13) Cuckoo 14) Erratum 15) Exclusively Anglo word 16) Exclusively Saxon word 17) Fathead 18) Flub 19) Fool 20) Foolish mistake 21) Foolish one, slang
Found on
https://www.crosswordclues.com/clue/goof

1) Beinerror 2) Blooper 3) Boner 4) Booboo 5) Bozo 6) Cuckoo 7) Err 8) Error 9) Fathead 10) Flub 11) Goofball 12) Jackass 13) Knucklehead 14) Mess up 15) Miscue 16) Mistake 17) Slip 18) Slipup 19) Twat
Found on
https://www.crosswordclues.com/clue/goof

Generically, the word goof is another term for a mistake. However, the term is also used in a number of specific senses. The actual origin of the word is unknown, but several origins have been conjectured. According to Merriam-Webster, `goof` is likely a variation of `goff` in an English dialect, meaning simpleton. Some say the word may come f...
Found on
http://en.wikipedia.org/wiki/Goof

Goof is a variety of apple.
Found on
http://www.probertencyclopaedia.com/browse/QG.HTM

Goof is slang for a stupid blunder.
Found on
http://www.probertencyclopaedia.com/browse/ZG.HTM
No exact match found.