must-see

Univerbation of must (auxiliary) +‎ see (verb).

must-see (not comparable)

1. Unmissably good.

must-see (plural must-sees)

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

   Synonym: must watch

   • 1989 December 17, Maida Tilchen, “The Triangle Within The Star Of David”, in Gay Community News, volume 17, number 23, page 8:

     Yoel Kahn's article about incorporating lesbian/gay Jewish existence into the liturgy is a must-see for anyone involved with planning worship services.

   • 2000 June, Jamie James, “Wordsworth Slept Here”, in The Atlantic‎^[1], archived from the original on 1 June 2015:

     The restored cottage, which has been open to tourists since 1891 (Woodrow Wilson came here on a cycling tour in 1899), is the Kaabah of a Lake District haj, a must-see for all pilgrims.

• “must-see”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.

• mustees