Antonyms of adj felonious

1 sense of felonious

Sense 1
criminal, felonious -- (involving or being or having the nature of a crime; "a criminal offense"; "criminal abuse"; "felonious intent")

INDIRECT (VIA illegal) -> legal -- (established by or founded upon law or official or accepted rules)

Similarity of adj felonious

1 sense of felonious

Sense 1
criminal, felonious -- (involving or being or having the nature of a crime; "a criminal offense"; "criminal abuse"; "felonious intent")
       => illegal (vs. legal) -- (prohibited by law or by official or accepted rules; "an illegal chess move")