Cupful

//ˈkʌp̪fl̩// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The amount necessary to fill a cup.

    "Add a cupful of milk to the sauce."

  2. 2
    the quantity a cup will hold wordnet
  3. 3
    A half pint, i.e. eight ounces

Synonyms

All synonyms
cupcupcyathus

Example

More examples

"Please give me a cupful of rice."

Etymology

From Middle English copful, copfull, cupfulle, cuppefulle, equivalent to cup + -ful. Cognate with Saterland Frisian Kopful (“cupful”), West Frisian kopfol (“cupful”).

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