1. Marked by unjust severity or arbitrary behaviour
   "tyrannous disregard of human rights"
   - oppressive, tyrannical

See also: domineering, tyrant

• unluckiness
• unlucky
• unmade
• unmake
• unmalicious
• unmalleability
• unmalleable
• unmalted
• unman
• unmanageable
• unmanageableness
• unmanageably
• unmanful
• unmanfully
• unmanlike
• unmanliness
• unmanly
• unmanned
• unmannered
• unmannerly
• unmapped
• unmarked
• unmarketable
• unmarred
• unmarried