Overview of noun black-tie

The noun black tie has 2 senses

• dinner jacket, tux, tuxedo, black tie -- (semiformal evening dress for men)


• black tie -- (a black bow tie worn with a dinner jacket)

Overview of adj black-tie

The adj black-tie has 1 sense

• semiformal, semi-formal, black-tie -- (moderately formal; requiring a dinner jacket; "he wore semiformal attire"; "a black-tie dinner")