present participle of must

Essential to own.

An item that one must own, or a feature that is essential to a service, etc.

Unmissably good.

Anything unmissably good, such as a film or television programme or a tourist attraction.

(dated) A pleonastic intensification of must using the adverb needs, meaning “must necessarily”.

plural of must-see

A measure of the amount of sugar in grape juice.

A product that one is strongly recommended to buy.

A book, article, etc. that one is strongly recommended to read.