1
Core quality
Showing persistent care, attention, and effort.
Example
Through assiduous research, the historian reconstructed the missing chronology.
assiduous
/əˈsɪdjuəs/ · uh-SID-yoo-usadjective
Showing persistent care, attention, and effort.
Use assiduous to express this relationship precisely: showing persistent care, attention, and effort.
What assiduous Really Means
The word becomes easier to use when its closely related senses are separated and compared.
2
Attributive or predicative use
Use this adjective before a suitable noun or after a linking verb such as be or seem.
Example
The assiduous archivist checked every date against the original register.
3
Analytical distinction
Choose it when this exact descriptive quality matters; a related word may overlap without conveying the same trait.
Example
Their assiduous search eventually uncovered a second copy of the letter.
Use assiduous Naturally
Notice how the surrounding noun or clause reveals the exact shade of meaning.
Through assiduous research, the historian reconstructed the missing chronology.
The assiduous archivist checked every date against the original register.
Their assiduous search eventually uncovered a second copy of the letter.
Precision Matters
Assiduous overlaps with several common words, but each carries a different emphasis.
assiduous
vs.Means showing persistent care, attention, and effort.
meticulous
Means extremely careful and precise.
assiduous
vs.Means showing persistent care, attention, and effort.
scrupulous
Means extremely careful about details, accuracy, or ethical correctness.
assiduous
vs.Means showing persistent care, attention, and effort.
fastidious
Means extremely attentive to detail, accuracy, cleanliness, or correctness.
assiduous
vs.Means showing persistent care, attention, and effort.
haphazard
Means random, disorganised, and lacking a deliberate method.
Test assiduous in Context
The examination required sustained, careful, and persistent effort.
1
The biographer's ___ examination of hundreds of minor records revealed a pattern earlier scholars had missed.