What does sedulous mean?
Sedulous describes someone who applies careful, steady, and persistent effort to a task. The word carries a formal, approving tone and emphasizes devotion to details: a sedulous researcher checks sources meticulously, while a sedulous musician practices with sustained discipline. It is close to diligent and assiduous, but often suggests more than routine hard work, with an emphasis on painstaking attention and persistence. The term is especially appropriate in professional, academic, or literary contexts, although it is understood in general English. Sedulous is an adjective; sedulously is the corresponding adverb, and sedulousness names the quality itself. Its Latin origin, through sedulus, reflects the idea of following something through with care and perseverance.
adjectiveShowing steady, careful, and diligent effort; persevering in one's work or duties. Sedulous is especially used to describe someone who is painstakingly attentive and conscientious.
- Showing diligent, careful, and persevering effort; characterized by steady attention to a task or duty.
"Her sedulous preparation ensured that every detail of the project was thoroughly reviewed."
"The sedulous student checked each calculation twice before submitting the work."
"Through years of sedulous maintenance, the museum's collection remained in excellent condition."
Sedulous comes from a Latin word for a person who follows an activity persistently—its emphasis is on steady devotion rather than a single burst of effort.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does sedulous come from?
Sedulous comes from Latin sēdulus, meaning diligent, devoted, or persistent. The English word entered use in the early 17th century, borrowing a vocabulary of careful application associated with diligence and perseverance. The related English noun sedulity and adverb sedulously continue the same Latin tradition, while the modern form retains its elevated, somewhat literary character.
Related word forms
How sedulous is actually used
Sedulous is formal and slightly literary. It is more emphatic than simply diligent and often suggests painstaking, sustained effort rather than ordinary busyness.
Easily confused with sedulous
Sedulous means hardworking and devoted to a task; sedulous is not commonly confused with another standard English word.