Imperative vs. Must

Imperative vs. Must — Is There a Difference?
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Difference Between Imperative and Must

Imperativeadjective

Essential; crucial; extremely important.

That you come here right now is imperative.

Mustverb

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.You picked one of two, and it wasn't the first: it must have been the second.

Imperativeadjective

(grammar) Of, or relating to the imperative mood.

Mustverb

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 negative consequence.

You must arrive in class on time. — the requirement is an imperativeThis door handle must be rotated fully. — the requirement is a directiveArise, and go into the city, and it shall be told thee what thou must do. (Bible, Acts 9:6)

Imperativeadjective

(computing theory) Having semantics that incorporates mutable variables.

Mustverb

said about something that is very likely, probable, or certain to be true

The children must be asleep by now.
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Imperativeadjective

Expressing a command; authoritatively or absolutely directive.

imperative orders

Mustverb

(transitive) To make musty.

Imperativenoun

The grammatical mood expressing an order (see jussive). In English, the imperative form of a verb is the same as that of the bare infinitive.

The verbs in sentences like "Do it!" and "Say what you like!" are in the imperative.

Mustverb

(intransitive) To become musty.

Imperativenoun

A verb in imperative mood.

Mustnoun

Something that is mandatory or required.

If you'll be out all day, a map is a must.
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Imperativenoun

(countable) An essential action, a must: something which is imperative.

Visiting Berlin is an imperative.

Mustnoun

The property of being stale or musty.

Imperativenoun

a mood that expresses an intention to influence the listener's behavior

Mustnoun

Something that exhibits the property of being stale or musty.

Imperativenoun

some duty that is essential and urgent

Mustnoun

Fruit juice that will ferment or has fermented, usually grapes.

Imperativeadjective

requiring attention or action;

as nuclear weapons proliferate, preventing war becomes imperativerequests that grew more and more imperative

Mustnoun

A time during which male elephants exhibit increased levels of sexual activity and aggressiveness also spelled musth.

Imperativeadjective

relating to verbs in the imperative mood

Mustnoun

An elephant in this sexual and aggressive state.

Mustnoun

a necessary or essential thing;

seat belts are an absolute must

Mustnoun

grape juice before or during fermentation

Mustnoun

the quality of smelling or tasting old or stale or mouldy

Mustadjective

highly recommended;

a book that is must reading