sedulous
adjective | /sedulous/
Advanced WordsHARD
(of a person or action) showing dedication and diligence
sedulous
adjective | /sedulous/
Advanced WordsHARD(of a person or action) showing dedication and diligence
Learning Progress
Synonyms
assiduousdiligentindustriousmeticulouspersistenttireless
Antonyms
nonchalantlazyindifferentnegligent
Examples
"Her sedulous attention to detail made the audit run smoothly."
"They made sedulous preparations for the conference and left nothing to chance."
Mnemonic Trick
SEDULOUS → SED (sit) + DO + US: sit and do — steady, persistent effort.
Etymology
From Latin sedulus “zealous, diligent.”
Used for careful, persistent work or application.
Source: Advanced WordsAdded: 9/28/2025
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