diligent

/ˈdɪlɪdʒənt/adjective

Working hard with steady, careful attention.

Example sentences

“The diligent student reviewed her notes every evening.”
“Thanks to diligent record-keeping, the accountant found the error in minutes.”

A favorite of report cards and references. It praises steady effort; 'industrious' is close, but 'diligent' stresses care as well as work.

Featured as word of the day on April 16, 2026.

Synonyms for diligent

Antonyms

lazy
careless
negligent

Find it in: Positive words, Words to describe a person.

Related words

indolentAvoiding work or effort by nature; habitually lazy.painstakingDone with great care and close attention to every detail.punctualArriving or doing things exactly at the agreed time.conferenceA large organized meeting where researchers or professionals share their work through talks, workshops, or posters.seminarA small advanced class in which students regularly meet with a professor to discuss research and ideas.workshopA meeting or class where a group of people learn about a subject by doing practical activities together.