1. More active than normal
   - hyperactive, hyper

See also: active, overactivity

• unthawed
• untheatrical
• unthematic
• unthinkable
• unthinkably
• unthinking
• unthinkingly
• unthought
• unthought-of
• unthoughtful
• unthoughtfulness
• unthread
• unthreatening
• untidily
• untidiness
• untidy
• untie
• untied
• untier
• until
• until now
• untilled
• untimbered
• untimeliness
• untimely