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Synonyms

goop

1 American  
[goop] / gup /

noun

Informal.
  1. a bad-mannered or inconsiderate person; clod; boor.


goop 2 American  
[goop] / gup /

noun

Slang.
  1. a viscous or sticky substance; goo.


goop British  
/ ɡuːp /

noun

  1. a rude or ill-mannered person

  2. any sticky or semiliquid substance

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • goopy adjective

Etymology

Origin of goop1

Expressive coinage, apparently first used by Gelett Burgess in his book Goops and How to Be Them (1900)

Origin of goop2

1955–60; expressive coinage akin to glop, gook 1, etc.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Two problems: At the time, renewable energy cost too much to make it affordable, and adding water usually turns quicklime into an unwieldy goop.

From The Wall Street Journal • Mar. 27, 2026

In the winter of 1960–61, virologist David Tyrrell, who ran the Common Cold Unit in the United Kingdom, and co-workers looked for viruses in the boys’ handkerchief goop.

From Science Magazine • Jan. 11, 2024

Train cars on the tunnel’s custom-built rail line carried the muck to a drop shaft in Ballard, where a crane with a clamshell bucket grabbed the goop.

From Seattle Times • Jun. 27, 2023

“This starter is bubbly happy to meet you,” Ms. Booth smiled, doling out the aerated goop that is essentially fermented flour and water and requires daily feedings of both to remain vigorous.

From New York Times • Mar. 6, 2023

He checked his teeth in the mirror, ensuring they were free of debris or goop.

From "The Girl Who Drank the Moon" by Kelly Barnhill