These dastardly acts will not go unpunished.
Source: tatoeba (1412070)
Dastardly
//ˈdæstɚdli//
Synonyms for "dastardly" (131 found)
Ranked by relevance and common usage.
Closest matches (27)
Strong matches (39)
Related words (65)
Adjective(55 words)
milkymouse-heartedmousynervelessnidderingnideringnidingnithingnonfaithfulnutlessperfidiouspigeon-liveredpoltroonishpoor-spiritedproditoriousproditorypunicpunkpusillanimouspussylike
Show 35 more words
rabbit-heartedrecrayedrecreantrenegadereptilianreptitiousretromingentsissyspinelessswiketimidtimoroustraitorishtraitorliketraitorlytraitoroustraitorsometreacheroustreachersometreasonoustrothlessunfaithfulunheartyunlealunloyalunsteadfastuntrueviperishviperousweak-kneedwhite-heartedwhite-liveredwimpishyellowyellow-bellied
Adverb(8 words)
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
derived
1 entriesderived from
1 entriesrelated to
4 entriessimilar
3 entriesTranslations
1 translations across 1 languages.
Spanish
1 entries- ruin adj (Translations)
Sample sentences
4 total sentences available.
That was dastardly.
Source: tatoeba (7073291)
During the Big Scare, while everyone was afraid that the Exclusion Ultimatum meant the Martians wanted an interplanetary war, the Earth Governments would have been only too ready to hang, shoot, stab, gas, electrocute, freeze, burn, poison, impale and/or defenestrate the dastardly culprits responsible.
Source: tatoeba (11810255)
I ask that the Congress declare, that since the unprovoked and dastardly attack by Japan on Sunday, December 7th, 1941, a state of war has existed between the United States and the Japanese Empire.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.