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goof

1 goof /ˈguːf/ verb
goofs; goofed; goofing
1 goof
/ˈguːf/
verb
goofs; goofed; goofing
Britannica Dictionary definition of GOOF
chiefly US, informal
: to make a careless or stupid mistake : to make a goof
[no object]
often + up
[+ object]
usually + up

goof around

[phrasal verb] chiefly US, informal
: to spend time doing silly or playful things

goof off

[phrasal verb] chiefly US, informal
: to spend time doing things that are not useful or serious see also goof-off

goof on

[phrasal verb]
goof on (someone or something) US slang
: to make jokes about (someone or something) in a way that is either playful or unkind
2 goof /ˈguːf/ noun
plural goofs
2 goof
/ˈguːf/
noun
plural goofs
Britannica Dictionary definition of GOOF
[count] chiefly US, informal
: a careless or stupid mistake