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

See also: known

• unnervingly
• unneurotic
• unnilquadium
• unnotched
• unnoted
• unnoticeable
• unnoticeableness
• unnoticeably
• unnoticed
• unnourished
• unnumberable
• unnumbered
• unnumerable
• unobjectionable
• unobjective
• unobligated
• unobliging
• unobservable
• unobservant
• unobserved
• unobserved fire
• unobstructed
• unobtainable
• unobtrusive
• unobtrusively