Overview of noun must

The noun must has 3 senses

• must -- (a necessary or essential thing; "seat belts are an absolute must")


• must -- (grape juice before or during fermentation)


• mustiness, must, moldiness -- (the quality of smelling or tasting old or stale or mouldy)

Overview of adj must

The adj must has 1 sense

• must -- (highly recommended; "a book that is must reading")