Antonyms of adj sedulous

1 sense of sedulous

Sense 1
assiduous, sedulous -- (marked by care and persistent effort; "her assiduous attempts to learn French"; "assiduous research"; "sedulous pursuit of legal and moral principles")

INDIRECT (VIA diligent) -> negligent -- (characterized by neglect and undue lack of concern; "negligent parents"; "negligent of detail"; "negligent in his correspondence")

Similarity of adj sedulous

1 sense of sedulous

Sense 1
assiduous, sedulous -- (marked by care and persistent effort; "her assiduous attempts to learn French"; "assiduous research"; "sedulous pursuit of legal and moral principles")
       => diligent (vs. negligent) -- (characterized by care and perseverance in carrying out tasks; "a diligent detective investigates all clues"; "a diligent search of the files")