Required vs. Must — What's the Difference?

Needed; essential

Must (from the Latin vinum mustum, "young wine") is freshly crushed fruit juice (usually grape juice) that contains the skins, seeds, and stems of the fruit. The solid portion of the must is called pomace and typically makes up 7–23% of the total weight of the must.

Obligatory

To be obliged or required by morality, law, or custom

Simple past tense and past participle of require

To be compelled, as by a physical necessity or requirement

Necessary; obligatory; mandatory.

Used to express a command or admonition

Necessary for relief or supply;

To be determined to; have as a fixed resolve

Required by rule;

Used to indicate inevitability or certainty

Used to indicate logical probability or presumptive certainty

To be required or obliged to go

Something that is absolutely required or indispensable

The quality or condition of being stale or musty.

The unfermented or fermenting juice expressed from fruit, especially grapes.

Variant of musth.

Musk.

To do with certainty; indicates that the speaker is certain that the subject will have executed the predicate.

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.

Used to indicate that something that is very likely, probable, or certain to be true.

(transitive) To make musty.

(intransitive) To become musty.

Something that is mandatory or required.

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.

To be obliged; to be necessitated; - expressing either physical or moral necessity; as, a man must eat for nourishment; we must submit to the laws.

To be morally required; to be necessary or essential to a certain quality, character, end, or result; as, he must reconsider the matter; he must have been insane.

The expressed juice of the grape, or other fruit, before fermentation.

Mustiness.

To make musty; to become musty.

Being in a condition of dangerous frenzy, usually connected with sexual excitement; - said of adult male elephants which become so at irregular intervals, typicaly due to increased testosterone levels.

A necessary or essential thing;

Grape juice before or during fermentation

The quality of smelling or tasting old or stale or mouldy

Highly recommended;