semaine
week
seven-day period
On se voit la semaine prochaine ?
Shall we meet next week?
weekdays
workweek (during the working days, as opposed to the weekend)
Je ne sors pas trop en semaine parce que je commence tôt le matin.
I don't go out much during the week because I start early in the morning.
Notes
GENERAL INFO
Semaine (week) is a feminine noun.
USAGE
You use it with articles or determiners, such as "la semaine prochaine" (next week), "cette semaine" (this week), or with prepositions for timeframes: "il y a deux semaines" (two weeks ago), "dans une semaine" (in a week).
TRAPS
Remember semaine is always feminine. Learners sometimes mistakenly use masculine determiners. Also, "a week ago" or "in a week" don't require an "s" on "semaine" in French (e.g., "une semaine," not "unes semaines").
