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 action, set on France’s rugged northern coast, is anchored by teen romance, involves far-right anti-migrant activists, and is complicated by blue goo from space that creates clones—including of the two loopy police officers who investigate. — Rachel Syme, New Yorker, 26 June 2026

Directed by Son Jae-gon and starring Gang Dong-won, Uhm Tae-goo, and Park Ji-hyun, the film tracks a faded first-generation K-pop co-ed dance trio making a reckless attempt to stage a comeback two decades after a plagiarism scandal dissolved their careers. — Naman Ramachandran, Variety, 22 June 2026

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

Solutions might require Gordon’s goo-gun cannon to jam up gears, or Batgirl's hacking Batarang, for example. — Gabriel Zamora, PC Magazine, 26 May 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"