This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Any of the days of the week exclusive of Sunday and often Saturday.

n. any day except Sunday (and sometimes except Saturday)

"Too many people, too many buildings, too many cars, (driving around during a weekday is an absolute nightmare)."

day of the week   

weeknight    week    day of the week   

workday    Monday    Thursday    Tues.    wed    mon    feria    Th    Fri.    sabbatum   

sayang    drizzly    yungberg    week-day    kug    schnitzel    twenty-minute    midweek    yung    never-to-be-forgotten