Synonyms of dastardly in English:

dastardly


See definition of dastardly

adjective

1‘a dastardly plan was hatched to kidnap him’

SYNONYMS

wicked, evil, iniquitous, heinous, villainous, diabolical, diabolic, fiendish, vicious, murderous, barbarous, cruel, black, dark, rotten, nefarious, vile, foul, monstrous, shocking, outrageous, atrocious, abominable, reprehensible, despicable, execrable, corrupt, degenerate, reprobate, sordid, depraved, dissolute, bad, base, mean, low, dishonourable, dishonest, unscrupulous, unprincipled, underhand, roguish

informal crooked, low-down, stinking, dirty, shady, rascally, scoundrelly

British informal beastly, not cricket

malfeasant

rare egregious, flagitious

ANTONYMS

noble, praiseworthy