1. Characteristic of a person not taking illegal drugs or of a place where no illegal drugs are used

See also: sober

• overbearingly
• overbearingness
• overbid
• overbite
• overblown
• overboard
• overboil
• overbold
• overbook
• overbridge
• overbuild
• overburden
• overburdened
• overbusy
• overbuy
• overcall
• overcapacity
• overcapitalisation
• overcapitalise
• overcapitalization
• overcapitalize
• overcareful
• overcast
• overcasting
• overcautious