Goo
/ɡuː/noun
A soft, sticky, viscous substance.
Did you know?Unlike words such as “glamour” or “spell,” “goo” has no securely identified ancestor; dictionaries generally classify its origin as unknown, possibly imitative or slang-based.
Etymological Timeline
Early 20th Century
American English
goo
“A sticky or unpleasantly viscous substance; the earliest known uses appear in American English.”
1904
English
goo
“Recorded in English with the modern sense of a soft, sticky substance.”
20th Century
English
gooey
“A derived adjective meaning sticky, soft, or semifluid.”
Modern English
English
goo
“Informal general term for any thick, sticky, shapeless substance.”