dastardly
4 antonyms for dastardly — opposites grouped by meaning.
Adj — Cowardly and treacherous, especially in a sneaky or underhanded way.
Antonyms
How to use dastardly
The word patterns that sound natural to a native speaker.
Slightly old-fashioned and often used with a hint of humour, especially describing melodramatic villains.
Etymology
From dastard ("a cowardly, sneaky person") plus the adjective suffix -ly.
Full origin of dastardly →