1. In a compulsive manner
   - compulsively, obsessively

See also: obsessional

• unspoilt
• unspoken
• unspoken accusation
• unsporting
• unsportingly
• unsportsmanlike
• unspotted
• unstable
• unstableness
• unstaged
• unstained
• unstaple
• unstarred
• prestigious
• prestigiousness
• prestissimo
• presto
• Preston
• prestressed
• presumable
• presumably
• presume
• presumption
• presumptive
• presumptively