goof (go͞of) Informal n. 1. a. A playful, silly, or outlandish person.
b. An incompetent, foolish, or stupid person.
2. A careless mistake; a slip.
v. goofed , goof·ing , goofs
v. intr. 1. To make a silly mistake; blunder: goofed up by turning right instead of left.
2. To waste or kill time: goofed around at the mall.
3. To tease or make fun of someone: goofed on her younger brother.
v. tr. To spoil, as through clumsiness; bungle. Usually used with up: goof up a job.
[Possibly alteration of dialectal goff , fool , from obsolete French goffe , stupid .]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
goof (ɡuːf ) n 1. a foolish error or mistake
2. a stupid person
vb 3. to bungle (something); botch
4. (intr; often foll by about or around ) to fool (around); mess (about)
5. (tr ) to dope with drugs
6. (often foll by: off ) US and Canadian to waste time; idle
[C20: probably from (dialect) goff simpleton, from Old French goffe clumsy, from Italian goffo, of obscure origin]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
goof (guf) Informal. v.i. 1. to make an error, misjudgment, etc.; blunder.
2. to waste time; evade work or responsibility (often fol. by off or around ).
v.t. 3. to spoil or make a mess of; botch; bungle (often fol. by up ).
4. to tease; kid (often fol. by on ).
n. 5. a foolish or stupid person.
6. a mistake, esp. one due to carelessness.
7. a source of fun: We short-sheeted his bed just for a goof.
[1915–20; appar. variant of obsolete goff dolt < Middle French goffe awkward, stupid]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
goof Past participle: goofedGerund: goofingImperative Present Preterite Present Continuous Present Perfect Past Continuous Past Perfect Future Future Perfect Future Continuous Present Perfect Continuous Future Perfect Continuous Past Perfect Continuous Conditional Past Conditional Present I goof you goof he/she/it goofs we goof you goof they goof
Preterite I goofed you goofed he/she/it goofed we goofed you goofed they goofed
Present Continuous I am goofing you are goofing he/she/it is goofing we are goofing you are goofing they are goofing
Present Perfect I have goofed you have goofed he/she/it has goofed we have goofed you have goofed they have goofed
Past Continuous I was goofing you were goofing he/she/it was goofing we were goofing you were goofing they were goofing
Past Perfect I had goofed you had goofed he/she/it had goofed we had goofed you had goofed they had goofed
Future I will goof you will goof he/she/it will goof we will goof you will goof they will goof
Future Perfect I will have goofed you will have goofed he/she/it will have goofed we will have goofed you will have goofed they will have goofed
Future Continuous I will be goofing you will be goofing he/she/it will be goofing we will be goofing you will be goofing they will be goofing
Present Perfect Continuous I have been goofing you have been goofing he/she/it has been goofing we have been goofing you have been goofing they have been goofing
Future Perfect Continuous I will have been goofing you will have been goofing he/she/it will have been goofing we will have been goofing you will have been goofing they will have been goofing
Past Perfect Continuous I had been goofing you had been goofing he/she/it had been goofing we had been goofing you had been goofing they had been goofing
Conditional I would goof you would goof he/she/it would goof we would goof you would goof they would goof
Past Conditional I would have goofed you would have goofed he/she/it would have goofed we would have goofed you would have goofed they would have goofed
Collins English Verb Tables © HarperCollins Publishers 2011