Definition of closed compound in English:

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closed compound


A word that is made up of two or more existing words and contains no spaces or hyphens, e.g. football, birthday, blackboard.
Example sentences
  • The usual progression of a compound word is from two separate words, to a hyphenated compound, to a closed compound.
  • Depending on how they are used, two words may eventually be combined as a closed compound word.
  • Hyphenated compound words are usually in the transition period from open to closed compound words.
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