Meaning & use

conscientious

adjective·Academic

Last updated

UK/ˌkɒnʃiˈenʃəs/
US/ˌkɑːnʃiˈɛnʃəs/

Meanings

  1. adjectivecomparableapproving

    Taking real care to do your work properly and completely.

    Grammar: Describes a person or their work: a conscientious student.

    Patterns

    • conscientious about something
    • conscientious in doing something

    She is a conscientious nurse who double-checks every dose.

    He was conscientious about replying to every email.

    The conscientious intern stayed late to finish the report.

  2. adjectivebefore a nounformal

    Guided by a strong sense of moral duty, even when this is hard.

    Grammar: Used in the phrase conscientious objector.

    Patterns

    • conscientious objector

    As a conscientious objector, he refused to bear arms.

    The official made a conscientious effort to be fair.

Word forms

comparativemore conscientious
superlativemost conscientious

Common combinations

conscientious objector
The conscientious objector worked in a hospital instead.
conscientious worker
The manager praised her as a conscientious worker.
conscientious effort
They made a conscientious effort to cut waste.
highly conscientious
Highly conscientious students often take thorough notes.
conscientious about
He is conscientious about backing up his files.

Synonyms and how they differ

diligent
Diligent stresses steady hard work, while conscientious adds a sense of duty and carefulness.
meticulous
Meticulous focuses on small details, whereas conscientious focuses on the person's sense of responsibility.
dutiful
Dutiful means obedient to what is expected, while conscientious suggests personal care beyond obligation.
scrupulous
Scrupulous leans toward honesty and moral care, more than amount of effort.

Opposites

Word family

conscientiously adverb
in a careful, dutiful way
conscientiousness noun
the quality of being careful and dutiful
conscience noun
inner sense of right and wrong
unconscientious adjective
not careful or dutiful

Commonly confused: conscientious or conscious? conscientious or conscience?

conscientious vs conscious

Conscious means awake or aware. A conscientious person takes care and does their duty.

conscientious vs conscience

Conscience is the inner voice about right and wrong, while conscientious describes a person who acts on it.

Practice

The teacher praised Maya as a ___ student who never skipped a task.

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