Assiduous

adj. capable, thoughtful formal

What it means

Showing sustained effort, close attention, and care.

Reach for it when praising work that remains diligent over time

The assiduous researcher checked every figure against the archive.

Words to choose between 7

By register, from playful at the top to literary at the bottom. Tap a word to see when it fits.
everyday
warm
professional
formal
  • everyday

    persistent

    Fits when effort continues despite setbacks

    Careful Persistence can repeat an ineffective approach without assiduous care.

  • warm

    conscientious

    Fits when a sense of responsibility guides the work

    Careful Conscientious intent does not always produce sustained attention.

  • warm

    devoted

    Fits when personal commitment motivates repeated effort

    Careful Devotion can be emotional and does not prove accurate work.

  • warm

    industrious

    Fits when consistent productive activity deserves notice

    Careful Industrious praises output and can overlook whether the work is careful.

  • professional

    diligent

    Fits when steady conscientious effort is the main quality

    Careful Diligence need not include assiduous attention to every detail.

  • professional

    meticulous

    Fits when precision in small details is decisive

    Careful Meticulous work can be slow or intermittent rather than sustained.

  • formal

    painstaking

    Fits when the task receives laborious care

    Careful Painstaking emphasizes difficulty and can make praise sound joyless.

Opposites 3

  • careless
  • idle
  • negligent

Common phrases 3

  • assiduous attention

    Assiduous attention to the records exposed the duplicate payment.

  • assiduous researcher

    The assiduous researcher documented every uncertain reading.

  • assiduous work

    Months of assiduous work restored the faded pattern.

Definitions and examples are written for this site. How words are chosen Recording: Dvortygirl, American accent, from Wikimedia Commons, CC BY-SA 3.0 Updated