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Synonyms for implacable
adj merciless, cruelAntonyms for implacable
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.
cruel
adjective. vicious, pitiless; causing pain
- atrocious
- barbarous
- bestial
- bitter
- bloodthirsty
- brutal
- brutish
- callous
- cold-blooded
- degenerate
- demoniac
- depraved
- evil
- excruciating
- ferocious
- fierce
- flinty
- hard
- hard-hearted
- harsh
- hateful
- heartless
- hellish
- implacable
- inexorable
- inhuman
- inhumane
- malevolent
- merciless
- monstrous
- painful
- pernicious
- poignant
- rancorous
- relentless
- revengeful
- ruthless
- sadistic
- sinful
- spiteful
- tyrannical
- unfeeling
- unkind
- unnatural
- unrelenting
- vengeful
- vicious
- virulent
- wicked
ferocious
adjective. violent, barbaric
grim
adjective. hopeless, horrible in manner, appearance
- austere
- barbarous
- bleak
- cantankerous
- churlish
- crabbed
- cruel
- crusty
- dogged
- ferocious
- fierce
- forbidding
- foreboding
- formidable
- frightful
- funereal
- ghastly
- gloomy
- glowering
- glum
- grisly
- grouchy
- gruesome
- grumpy
- harsh
- hideous
- horrid
- implacable
- inexorable
- intractable
- merciless
- morose
- ominous
- relentless
- resolute
- ruthless
- scowling
- severe
- shocking
- sinister
- somber
- sour
- splenetic
- stern
- stubborn
- sulky
- sullen
- surly
- terrible
- truculent
- unrelenting
- unyielding
grimmer
adjective. hopeless, horrible in manner, appearance
- austere
- barbarous
- bleak
- cantankerous
- churlish
- crabbed
- cruel
- crusty
- dogged
- ferocious
- fierce
- forbidding
- foreboding
- formidable
- frightful
- funereal
- ghastly
- gloomy
- glowering
- glum
- grisly
- grouchy
- gruesome
- grumpy
- harsh
- hideous
- horrid
- implacable
- inexorable
- intractable
- merciless
- morose
- ominous
- relentless
- resolute
- ruthless
- scowling
- severe
- shocking
- sinister
- somber
- sour
- splenetic
- stern
- stubborn
- sulky
- sullen
- surly
- terrible
- truculent
- unrelenting
- unyielding
grimmest
adjective. hopeless, horrible in manner, appearance
- austere
- barbarous
- bleak
- cantankerous
- churlish
- crabbed
- cruel
- crusty
- dogged
- ferocious
- fierce
- forbidding
- foreboding
- formidable
- frightful
- funereal
- ghastly
- gloomy
- glowering
- glum
- grisly
- grouchy
- gruesome
- grumpy
- harsh
- hideous
- horrid
- implacable
- inexorable
- intractable
- merciless
- morose
- ominous
- relentless
- resolute
- ruthless
- scowling
- severe
- shocking
- sinister
- somber
- sour
- splenetic
- stern
- stubborn
- sulky
- sullen
- surly
- terrible
- truculent
- unrelenting
- unyielding
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.