Definition of part of speech in English:

part of speech

noun

  • A category to which a word is assigned in accordance with its syntactic functions. In English the main parts of speech are noun, pronoun, adjective, determiner, verb, adverb, preposition, conjunction, and interjection.

    • ‘However, while all of the absent antecedents are duly filled in, we are left with a sense that pronouns are not the only parts of speech left unspoken.’
    • ‘It reviews the parts of speech and teaches the parts of a sentence and punctuation.’
    • ‘A wide variety of lesson plans are linked, including interactive lessons on teaching adverbs, conjunctions, and the parts of speech.’
    • ‘Stress placement in English may also change the part of speech of a word.’
    • ‘I am working on a book about the parts of speech - that's right, nouns, verbs, interjections and all the rest.’

Pronunciation:

part of speech

/pɑrt əv/