Roo

//ˈɹu// noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    Peace; quietness. UK, dialectal, obsolete, uncountable
  2. 2
    Clipping of kangaroo. Australia, abbreviation, alt-of, clipping, slang
  3. 3
    Rest; stillness. UK, dialectal, uncountable

Example

More examples

"Adriano's German Shepherd was no match to the roo."

Etymology

Etymology 1

From Middle English roo, ro, from Old English rō, rōw (“quietness, quiet, rest”), from Proto-Germanic *rōō (“quiet, rest”), from Proto-Indo-European *h₁reh₁- (“quiet”). Cognate with Scots ro, ruve (“peace, repose”), German Ruhe (“rest, peace, tranquility”), Danish, Norwegian and Swedish ro (“rest, peace, tranquility”), Icelandic ró (“tranquility, quietness”).

Etymology 2

Apheretic form of kangaroo.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.