Adjectives

(s)everyday, mundane, quotidian, routine, unremarkable, workadayfound in the ordinary course of events“a placid everyday scene”, “it was a routine day”, “there's nothing quite like a real … train conductor to add color to a quotidian commute” (Anita Diamant)
(s)casual, everyday, dailyappropriate for ordinary or routine occasions“casual clothes”, “everyday clothes”
(s)everydaycommonplace and ordinary“the familiar everyday world”