1. Relating to or interested in sports 
2. Given to merry frolicking
   - coltish, frolicsome, frolicky, rollicking

See also: playful, sport, sportiveness

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