1. Without problems or difficulties
   "NASA reported a trouble-free launch"

See also: untroubled

• Cronartium
• Cronartium ribicola
• crone
• cronk
• Cronus
• crony
• cronyism
• Cronyn
• croo monkey
• crook
• crookback
• crookbacked
• crooked
• crooked-stemmed aster
• crookedly
• crookedness
• Crookes
• Crookes radiometer
• Crookes tube
• crookneck
• crookneck squash
• croon
• crooner
• crooning
• crop