Definition of form class in English:

form class


  • A class of linguistic forms with grammatical or syntactic features in common; a part of speech or subset of a part of speech.

    • ‘You'll also find that linguistic grammar talks about form and function, structure and form classes.’
    • ‘The notional definition of a noun does not cover such words as action, existence, happiness, temperature that belong to the noun form class on formal criteria.’