1. Incapable of being placated
   "an implacable enemy"

See also: grim, inexorable, merciless, relentless, stern, unappeasable, unforgiving, unmerciful, unmitigable, unrelenting

Antonym: placable

Encyclopedia: Implacable

• Crotalus tigris
• Crotalus viridis
• crotaphion
• Crotaphytus
• crotch
• crotch hair
• crotchet
• crotchetiness
• crotchety
• croton
• Croton eluteria
• croton oil
• Croton tiglium
• crotonbug
• Crotophaga
• crottal
• crottle
• crouch
• croup
• croupe
• croupier
• croupier's rake
• croupy
• Crouse
• croustade