Must
Must noun - Something necessary, indispensable, or unavoidable.
Usage example: exercise is a must if you want to stay healthy
Need
Need noun - Something necessary, indispensable, or unavoidable.
Usage example: got a job that barely provided for his basic needs
Must is a synonym for need in obligation topic. You can use "Must" instead the word "Need" as a verb or a noun, if it concerns topics such as want, necessary. popular alternative
Mutual synonyms
How words are described
| real | real must | real need |
| big | big must | big need |
| bad | bad must | bad need |
| absolute | absolute must | absolute need |
| Other adjectives: greater, occasional. | ||
Common collocations
Both words in one sentence
-
He also likes to use the phrase "must needs" instead of just must or need.
Source: Author Vocabulary Calendar - The Dragon would be this for those who found the whale moderate- if you want to win, you'll need three types of consumables (at least 4-5 of each), and two of them must be created by the player.
Source: Video Game / Candy box! - You need to have been where you want to warp already, it fades upon warping meaning you must cast it again if you want to keep the warp point, and you need to get through an overly complex dialog for what it does every time you cast it.
Cite this Source
Need and Must. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/must/need
Must & Need. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/must/need>.
Need or Must. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/must/need.
Google Ngram Viewer shows how "must" and "need" have occurred on timeline