weeknights

1. 1
   noun

   Plural of weeknight.

   The restaurant is quieter on weeknights than on Saturdays.

   She reserves her weeknights for studying and saves social outings for later.

   Note

   Nothing irregular happens here: weeknight takes a plain -s, and the plural behaves like any count noun. It usually travels with a preposition or a determiner, as in on weeknights, most weeknights or her weeknights. That frame keeps it a noun. The same spelling standing alone after a verb is the adverb. Choose the noun when the evenings are counted, owned or described.

2. 2
   adverb

   During the evenings of the working week, Monday through Friday, rather than on the weekend.

   The orchestra rehearses weeknights in the old community hall.

   He drives a delivery route weeknights to cover his college tuition.

   Note

   Here the plural noun works without its preposition: rehearses weeknights says what rehearses on weeknights says, in fewer words. It follows the pattern of nights, weekends and Sundays used the same way, and it usually sits after the verb or at the end of the clause. It cannot be graded, so there is no more weeknights in this sense.

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