must
/məst/
must verb: to do as a requirement; indicates that the sentence subject is required as an imperative or directive to execute the sentence predicate, with failure to do so resulting in a failure or negative consequence. Also the alternative spelling of musth.
Verb (1)
must (third-person singular simple present must, no present participle, simple past must, no past participle)
- To do as a requirement; indicates that the sentence subject is required as an imperative or directive to execute the sentence predicate, with failure to do so resulting in a failure or negative consequence.
- You must arrive in class on time.
- This door handle must be rotated fully.
- To do with certainty; indicates that the speaker is certain that the subject will have executed the predicate.
- If it has rained all day, it must be very wet outside.
- Where would you have put the keyring? You couldn’t have lost it again! - I must have, because it's nowhere to be found.
- Used to indicate that something is very likely, probable, or certain to be true.
- The children must be asleep by now.
- There's the doorbell. It must be Dad.
Noun (1)
must (plural musts)
- Something that is mandatory, required or recommended.
- If you're trekking all day, a map is a must.
- "There are no musts in my life - I'm free, white, and twenty-one."1932, Helen Vinson, I Am a Fugitive from a Chain Gang
- Synonyms:
- imperative, necessity
- Antonyms:
- no-no
Noun (2)
must (countable and uncountable, plural musts)
- The property of being stale or musty.
- Something that exhibits the property of being stale or musty.
- Fruit juice that will ferment or has fermented, usually from grapes.
- No sweet grape lies hidden here in the shade of its vine-leaves,
No fermenting must fills and o'erflows the deep vats.c. 1874, Henry Wadsworth Longfellow, Ovid in Exile
- No sweet grape lies hidden here in the shade of its vine-leaves,
Verb (2)
must (third-person singular simple present musts, present participle musting, simple past and past participle musted)
Also used as
must is also the alternative spelling of musth.
must meaning in Hindi, Tamil, Urdu and Tagalog
must in Hindi
- be required to
- चाहिए cāhie, पड़ना paṛnā, होगा hogā
must in Tamil
- be required to
- வேண்டும் vēṇṭum
- said about something that is very likely, probable, or certain to be true
- வேண்டும் vēṇṭum
- something mandatory
- கட்டாயம் kaṭṭāyam
must in Urdu
- be required to
- چاہئے cāhie, پڑنا paṛnā, ہو گا hogā
must in Tagalog
- be required to
- dapat
More languagesFewer languages
- must in Arabic
- وَجَبَ wajaba, يَتَحَتَّم yataḥattam, يَلْزَم yalzam, لَا بُدَّ lā budda
- must in Malay
- mesti
- must in Indonesian
- harus
- must in Persian
- باید bâyad, پوراب purâb, مشتفشار moštafšār, باده bāde
- must in Thai
- ต้อง dtɔ̂ng
- must in Vietnamese
- phải
- must in Myanmar
- ရ ra.
Examples of must in a sentence
- Everybody told me I must stop worrying, but I couldn't, because I knew that somehow there was still something wrong about the situation.
- You really must come and see us soon, pal. - We'll see: I can borrow my dad's car, but I must bring it back before midnight.
- The physician said that I must / had to / would have to stop smoking.
- I said it must be pretty late and I really must go.
- She's being taken to the police car now , so they must be going to arrest her.
- Arise, and go into the city, and it shall be told thee what thou must do.1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Acts 9:6:
Synonyms of must
Antonyms
Forms of must
| Verb | |
|---|---|
| third-person singular present | must |
| past | must |
| third-person singular present | musts |
| present participle | musting |
| past participle | musted |
| past | musted |
| first-person singular present (archaic) | mote |
| second-person singular present (archaic) | mote |
| second-person singular present (archaic) | motest |
| third-person singular present (archaic) | mote |
| plural present (archaic) | mote |
| present subjunctive (archaic) | mote |
| alternative form (dialectal) | mus' |
| Noun | |
| plural | musts |
Origin of must
From Middle English moste ("must", literally, "had to", the past tense of Middle English moten (“to have to”)), from Old English mōste (“had to”), 1st & 3rd person singular past tense of mōtan (“to be allowed, be able to, have the opportunity to, be compelled to, must, may”), from Proto-Germanic *mōtaną. Cognate with Dutch moest (“had to”), German musste (“had to”), Swedish måste (“must, have to, be obliged to”). More at mote.
From Middle English must, from Old English must and Old French must, most, both from Latin mustum.
See musth.
Words formed from must
- all good things must come to an end
- Assad must go curse
- Caesar's wife must be above suspicion
- cooler heads must prevail
- cool heads must prevail
- every dog must have his day
- every dog must have its day
- I must go
- I must love you and leave you
- I must say
- must-buy
- must get in front
- must-have
- must have been the wind
- must have killed a Chinaman
- must-learn
- must-link
- must-listening
- must-move
- must needs
- must-read
- must-try
- musturbation
- must watch
- must-win
- needs must
- needs must when the devil drives
- one must give to get
- there must be something in the water
- the show must go on
- the strong do what they can and the weak suffer what they must
- want must be one's master
- what goes up must come down
- you must be fun at parties
- you must be new here
- you must spoil before you spin
- must weight
- mustimeter
Phrases with must
Words that rhyme with must
25 more rhymesFewer rhymes
Questions about must
- What does must mean?
- Must means to do as a requirement; indicates that the sentence subject is required as an imperative or directive to execute the sentence predicate, with failure to do so resulting in a failure or negative consequence.
- What is must in Hindi?
- Must in Hindi is चाहिए (cāhie), पड़ना (paṛnā), होगा (hogā). See Must meaning in Hindi.
- How do you use must in a sentence?
- Everybody told me I must stop worrying, but I couldn't, because I knew that somehow there was still something wrong about the situation.
- What part of speech is must?
- Must can be a verb or a noun.
- How do you pronounce must?
- Must is pronounced /məst/.
- What is the past tense of must?
- The past tense of must is must.
Words near must in the dictionary
Source and license
Adapted from Wiktionary: must (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-must.ogg, LL-Q1860 (eng)-Vealhurl-must.wav.
Cite this entry: “must.” Word.ws, https://word.ws/must. Based on Wiktionary, CC BY-SA 4.0.
