柯林斯詞典part of speech (parts of speech) 1. N-COUNT A part of speech is a particular grammatical class of word such as noun, adjective, or verb. 詞性 返回 part of speech劍橋詞典one of the grammatical groups , such as noun , verb , and adjective , into which words are divided depending on their use 詞類，詞性 范例 What part of speech is it?In this dictionary , parts of speech are printed in italic , after pronunciations . 返回 part of speech