goo

noun

ˈgü 

1

: a viscid or sticky substance

2

: something that is overly or objectively sentimental

Synonyms of goo

• schmaltz
• mush
• sludge

Examples of goo in a Sentence

What's this goo all over the stove?

the latest goo from a children's author who knows how to lay it on thick

Recent Examples on the Web

The black goo biofilm can be cleaned off with minimal effort. — Tim Carter, Hartford Courant, 6 June 2026

Chewy coconut, crunchy cashew crumbs, lots of caramel goo interspersed with chocolate goo. — Alex Beggs, Bon Appetit Magazine, 25 Apr. 2026

The basic premise of this novel is that a woman finds a pile of goo and attempts to shape it into her perfect man. — Literary Hub, 5 May 2026

Huggins is a quiet talker with a dry wit and Martin can be a downright big-hearted pile of goo. — Dana O’Neil, CNN Money, 1 Apr. 2026

Word History

Etymology

perhaps short for burgoo

First Known Use

1900, in the meaning defined at sense 1

Phrases Containing goo

• goo-goo
• moo goo gai pan

Rhymes for goo

• blew
• blue
• boo
• brew
• chew
• chou
• clue
• coo
• coup
• crew
• cue
• dew

Kids Definition

goo

noun

ˈgü 

: a sticky substance

gooey

ˈgü-ē 

adjective

Etymology

perhaps short for burgoo "oatmeal gruel"