English Reference

Word

goo

US/ˈɡu/

UK/ɡˈuː/

Definitions

01sticky substance

B2

n. a thick, sticky, or slimy substance that is often messy or unpleasant.

n. a viscous, semi-solid, or liquid substance, typically one that is sticky, gummy, or slippery and of indeterminate composition.

“I stepped in some green goo on the pavement and ruined my new shoes.”

“The mechanic emerged from under the chassis covered in a thick black goo that smelled strongly of burnt oil and old coolant.”

Informal

Synonyms

slimegunkmuck

02baby sounds

C1

n. the soft, bubbling noises a baby makes when they are happy or trying to talk.

n. an onomatopoeic representation of the soft, gurgling vocalisations made by an infant.

“The baby let out a happy little goo when her father walked into the room.”

“The infant responded to the colourful mobile with a series of delighted goos and gurgles, much to the parents' amusement.”

Informal

Synonyms

gurglecoo

03sentimentality

C2

n. feelings or stories that are too sweet, romantic, or emotional in a way that feels fake.

n. excessive or cloying sentimentality, often perceived as insincere or overly showy.

“The movie was full of romantic goo that made me want to leave the cinema.”

“Critics dismissed the novel as sentimental goo, arguing that the author relied on cheap emotional tricks rather than genuine character development.”

Informal

Synonyms

04to talk like a baby

C1

v. to make soft, happy sounds like a baby.

v. to produce infant-like vocalisations or baby talk; often used in the phrase 'goo and gurgle'.

“The grandparents spent the whole afternoon gooing at the new baby.”

“It is common for adults to begin gooing and cooing instinctively when presented with a smiling infant.”

Informal

Synonyms

coogurgle

Etymology

Etymology tree English burgoo? Proto-Indo-European *gleyH- Proto-Indo-European *glóh₁ytn̥ Proto-Italic *gloiten Latin glūten Late Latin glūs Old French glubor. Middle English glew English glue? English goo American English, attested since 1903, possibly from burgoo (“thick porridge”); alternatively, an alteration of glue.

Onomatopoeic of baby talk.

See go.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

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English Reference