English Reference
noun

rosie

n.
US /ˈɹoʊzi/ rosie

  1. 01 C2 Proficiency British EnglishSlangInformal

    a cup of tea. This comes from the rhyming slang 'Rosie Lee'.

    a cup of tea; derived from the Cockney rhyming slang 'Rosie Lee'. The term is uncountable and often used with 'a cup of'.

    Simple

    After a long walk in the rain, there is nothing better than a nice cup of Rosie.

    In context

    The old man sat by the fire, contentedly sipping a cup of Rosie while he listened to the radio.

    Usage

    Usually appears in the phrase 'a cup of Rosie'.

    Teacher's tip

    This is very specific to London and older British dialects; most modern learners will only encounter it in films or books set in the UK.

  2. 02 C1 Advanced American EnglishInformal

    a name for women who worked in factories during World War II.

    a reference to 'Rosie the Riveter', representing the American women who worked in factories and shipyards during World War II.

    Simple

    My grandmother was a real-life Rosie who built planes during the war.

    In context

    The cultural icon of the Rosie became a symbol of female empowerment and industrial contribution during the mid-twentieth century.

    Usage

    Often used as a proper noun or in historical contexts.

  3. 03 B1 Intermediate Informal

    a friendly or short name for someone named Rose or Rosemary.

    a diminutive form of the female given names Rose, Rosemary, or Rosalind.

    Simple

    Everyone in the family calls her Rosie instead of Rosemary.

    In context

    Although her legal documents state her name is Rosalind, she has been known as Rosie to her colleagues for over twenty years.

    Usage

    Used as a nickname or a familiar form of address.

Emily Davison says soaring temperatures force her to put the welfare of her guide dog, Rosie, before her own independence.

BBC News· 11 Aug 2026
This entry
Level C2 · Proficiency
Frequency Frequent
Updated