Dastard n. : One who meanly shrinks from danger; an arrant coward; a poltroon.

Dastard a. : Meanly shrinking from danger; cowardly; dastardly.

Dastard v. t. : To dastardize.

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Defination from the web:
dastard from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Learn more about "dastard" Learn more about "dastard" and related topics at Britannica.com. Pronunciation Symbols. Share this entry: Link to this page: ...