goof

1 of 2

noun

ˈgüf 

1

: a silly or stupid person

2

: blunder

goof

2 of 2

verb

goofed; goofing; goofs

intransitive verb

1

a

: to spend time idly or foolishly

—usually used with off

goofing off instead of working

b

: to engage in playful activity

—usually used with around

goofing around after school

2

: to make a usually foolish or careless mistake : blunder

—often used with up

transitive verb

: to make a mess of : bungle

—usually used with up

goofed up the assignment

Phrases

goof on

slang

: to make fun of : kid, put on

you're goofing on me, right?

Synonyms

Noun

• mistake
• blunder
• error

Verb

• kill time
• lazy
• veg out
• kick back
• hack (around)
• lounge
• hang about [British]
• hang (around or out)
• rest
• footle
• bum
• relax
• play
• idle
• chill
• loaf
• kick around
• twiddle one's thumbs
• stroll

Examples of goof in a Sentence

Noun

Don't be such a goof.

I made a major goof.

Verb

It was clear that someone had goofed.

Recent Examples on the Web

Noun

Their connection is so solid that White becomes protective when Seacrest is asked about newbie hosting goofs. —Bryan Alexander, USA Today, 17 Oct. 2025

The perfectionist and the goof. —Sean Keeler, Denver Post, 14 Oct. 2025

Verb

As the sound check continued, Puth goofed with his players. —Jane Bua, New Yorker, 6 Oct. 2025

Most bands’ B-sides were random live tracks, extraneous remixes, or goofing off in the studio — and Oasis did engage in a bit of that — but Oasis also famously burned off a number of instant classics as B-sides as if to prove this band was definitely no flash in the pan. —Jesse Adams, The Washington Examiner, 19 Sep. 2025

Word History

Etymology

Noun

probably alteration of English dialect goff simpleton

First Known Use

Noun

1915, in the meaning defined at sense 1

Verb

1932, in the meaning defined at intransitive sense 1a

Phrases Containing goof

• goof around
• goof-off
• goof on

Rhymes for goof

• hoof
• kloof
• poof
• proof
• roof
• spoof
• woof
• aloof
• behoof
• disproof
• flameproof
• foolproof

Kids Definition

goof

1 of 2 noun

ˈgüf 

1

: a silly or stupid person

2

: blunder entry 2

goof

2 of 2 verb

1

a

: to spend time foolishly

goofing off instead of working

b

: to engage in a playful activity

goofing around after school

2

: blunder entry 1 sense 2

3

: to make a mess of : bungle

goofed up the assignment

Etymology

Noun

probably an altered form of dialect word goff "simpleton"