unholiday

== English == === Etymology === From un- +‎ holiday. === Noun === unholiday (plural unholidays) A day or period of time which is not a holiday, but is celebrated as if it were one. === Adjective === unholiday (comparative more unholiday, superlative most unholiday) Grim or drab; the antithesis of festive. Synonyms: lackluster, wan; see also Thesaurus:boring, Thesaurus:dim