A monosyllable is a word consisting of only one syllable. It is a simple and concise way of expressing an idea or thought. However, sometimes we may want to use a different word to mix up our writing or bring emphasis to a particular word. Some synonyms for the word "monosyllable" include: one-syllable word, short word, terse expression, brief utterance, succinct phrase, crisp word, concise language, pithy statement, succinct phrase, and laconic language. By using synonyms, we can add variety to our writing and make it more interesting for our readers.