Upper-Intermediate (B2)
IPA: /ˈsɛdʒ.ə.ləs.nəs/
KK: /ˈsɛdʒ.ə.ləs.nəs/
Definition
The quality of being diligent and hardworking, showing persistent effort and care in tasks.
Example
Her sedulousness in completing the project impressed her boss.
Conversation

I've been really impressed by your sedulousness in studying for the exams.

Thanks! I've been trying to stay focused and keep a steady routine.

It definitely shows, you seem to be handling the material well.

I appreciate that! It's all about staying diligent and putting in the effort.
Synonyms & Antonyms
Synonyms
diligence
assiduity
industriousness
Antonyms
negligence
laziness
idleness
Root Explanation
Sedulousness → It is formed from "sedulus" (from Latin, meaning diligent or careful) and the suffix "-ness" (meaning the state or quality of). The word "sedulousness" refers to the quality of being diligent or showing careful effort.
Memory Tip
Think of 'diligent' and remember that 'sedulousness' means the quality of being diligent or careful in one's efforts.
Visually Confused Words
pendulousness
credulousness
emulousness
stridulousness
sensuousness
nebulousness
serousness
incredulousness