1. More familiar or renowned than the other of two
   "the better-known book of the two"

See also: known

• unprofitability
• unprofitable
• unprofitableness
• unprofitably
• UNPROFOR
• unprogressive
• unpromised
• unpromising
• unprompted
• unpronounceable
• unproper
• unprophetic
• unpropitious
• unpropitiously
• unpropitiousness
• unprotected
• unprotectedness
• unprotective
• unprotesting
• unprotestingly
• unprovable
• unproved
• unproven
• unprovided for
• unprovocative