1. Without making errors
   "he unerringly fixed things for us"

See also: unerring

• oversuspicious
• overt
• overt operation
• overtake
• overtaking
• overtax
• overthrow
• overthrust fault
• overtime
• overtime period
• overtire
• overtly
• overtolerance
• overtone
• overtop
• overtrain
• overtrump
• overture
• Metternich
• mettle
• mettlesome
• mettlesomeness
• Metycaine
• meum
• Meuniere butter