Dastard has 5 different meanings across 2 categories:
Noun
· Adjective
Noun
2
A malicious coward; a dishonorable sneak.
Verb
Adjective
1
despicably cowardly
"the unprovoked and dastardly attack by Japan on...December 7th"
2
Meanly shrinking from danger, cowardly, dastardly.
Broader Terms (hypernyms)