- mean and cowardly
WordReference Random House Unabridged Dictionary of American English © 2026
das•tard•ly
(das′tərd lē),USA pronunciation adj.
das′tard•li•ness, n.
- cowardly;
meanly base;
sneaking:a dastardly act.
- dastard + -ly 1560–70
Collins Concise English Dictionary © HarperCollins Publishers::
dastardly /ˈdæstədlɪ/ adj
'dastardly' also found in these entries (note: many are not synonyms or translations):