1. Unrestrained, especially with regard to feelings
   "overweening ambition"; "overweening greed"
   - excessive, extravagant, exuberant 
2. Presumptuously arrogant
   "had a witty but overweening manner"; "no idea how overweening he would be"
   - uppity

See also: immodest, unrestrained

• proving ground
• provirus
• provision
• provisional
• Provisional IRA
• Provisional Irish Republican Army
• provisionally
• provisionary
• provisioner
• provisions
• proviso
• provisory
• provitamin
• provitamin A
• Provo
• provocateur
• provocation
• provocative
• provocatively
• provocativeness
• provoke
• provoked
• provoker
• provoking
• provokingly