diligent
Careful and persistent
Diligent describes someone who works with careful, persistent effort.
A diligent student does assignments thoroughly; a diligent researcher checks every source.
The word implies conscientiousness rather than mere speed—steady attention to detail over time: Through diligent practice, she mastered the piano.
Diligence is the noun.
Committed to sustained effort
- tirelessNever losing energy
- assiduousShowing careful persistent effort
- productiveGenerating useful output
- unflaggingPersistently energetic
energetic · busy · active · laborious · workaholic · driven · ambitious · enterprising
Complete in every detail
- detail-orientedFocused on small elements
- preciseExactly correct, no error
- scrupulousThorough and principled
- carefulExercising caution and attention
conscientious · fastidious · exact · accurate · methodical · systematic · orderly · punctilious
Wholly committed to something
- committedFirmly pledged or bound
- earnestSincerely intense in purpose
- sincereGenuinely felt, not feigned
- zealousPassionately eager and active
fervent · faithful · loyal · staunch · steadfast · wholehearted · dutiful · reliable
Stubbornly determined to continue
- steadfastFirmly loyal, unshakeable
- resoluteFixed in purpose
- unwaveringSteady and unchanging
- doggedStubbornly persevering
unrelenting · indefatigable · relentless · constant · patient · sustained · consistent · unceasing
hardworking
Committed to sustained effort
- tirelessNever losing energy
- assiduousShowing careful persistent effort
- productiveGenerating useful output
unflagging · energetic · busy · active · laborious · workaholic · driven · ambitious · enterprising · proactive
thorough
Complete in every detail
- detail-orientedFocused on small elements
- preciseExactly correct, no error
- scrupulousThorough and principled
careful · conscientious · fastidious · exact · accurate · methodical · systematic · orderly · punctilious · painstaking
dedicated
Wholly committed to something
- committedFirmly pledged or bound
- earnestSincerely intense in purpose
- sincereGenuinely felt, not feigned
zealous · fervent · faithful · loyal · staunch · steadfast · wholehearted · dutiful · reliable · dependable
tenacious
Stubbornly determined to continue
- steadfastFirmly loyal, unshakeable
- resoluteFixed in purpose
- unwaveringSteady and unchanging
dogged · unrelenting · indefatigable · relentless · constant · patient · sustained · consistent · unceasing · untiring
- SAT vocabularyaesthetic, ambiguous, benevolent, candid, concise
- tenacitydetermined, persistence, persistent, perseverance, determination
- work traitshardworking, productive, efficient, lazy, industrious
- dependabilityreliable, dependable, trustworthy, trusted, steadfast
- productive traitsefficient, effective, productive, industrious, hardworking
- learner traitsstudious, grit, curious, inquisitive, motivation
diligentcareless
Inattentive, prone to mistakes
negligent · sloppy · slipshod · remiss · inattentive
diligentinconstant
Prone to fluctuation
erratic · unreliable · dilatory · procrastinating · fickle
- due diligencePre-transaction reasonable care