Imperative vs. Must

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.Imperativeadjective
Expressing a command; authoritatively or absolutely directive.
imperative ordersMustverb
(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.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 imperativeMustnoun
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 mustMustnoun
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