part of speechThe parts of speech are the primary categories of words according to their function in a sentence. English has seven main parts of speech: nouns, pronouns, verbs, adjectives, adverbs, prepositions, and conjunctions.Continue reading…part of speechn. pl. parts of speech 1. One of a group of traditional classifications of words according to their functions in context, usually including the noun, pronoun, verb, adjective, adverb, preposition, conjunction, interjection, and article.2. One of a group of theoretical classifications of words according to their syntactic, morphological, and semantic properties, such as the noun, determiner, verb, adjective, adverb, complementizer, preposition, and conjunction.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.part of speech n (Grammar) a class of words sharing important syntactic or semantic features; a group of words in a language that may occur in similar positions or fulfil similar functions in a sentence. The chief parts of speech in English are noun, pronoun, adjective, determiner, adverb, verb, preposition, conjunction, and interjection. Abbreviation: POS Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014part? of speech? n. any of the classes into which words in a language have traditionally been divided on the basis of their meaning, form, or syntactic function, as, in English, noun, pronoun, verb, adverb, adjective, preposition, conjunction, and interjection. [1500?10] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.