Phrases are a group of words that function as a single unit in a sentence. There are various synonyms for the word "phrases" that express different aspects of its meaning. Some of these synonyms include expressions, sayings, words, idioms, clauses, group of words, and locutions. Each of these synonyms brings its own nuance to the meaning of "phrases." Expressions and sayings often refer to common or well-known phrases that are used in everyday language, while idioms are phrases that have a figurative meaning beyond their literal definition. Clauses and group of words refer to how phrases function grammatically, while locutions are often specific to certain languages or cultures.