conscientious
kon-shee-EHN-shuhs
Conscientious (adj) means Careful, thorough, and diligent in doing one's work or duties. Example: “She's a conscientious student who never misses a deadline.”
adj
1
Careful, thorough, and diligent in doing one's work or duties.
"She's a conscientious student who never misses a deadline."
"The conscientious nurse double-checked every dosage before administering it."
How to use conscientious
Learner’s notesIn plain EnglishCareful and dutiful — someone who takes their responsibilities seriously.
Common pairings
a conscientious worker
conscientious objector
conscientious effort
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Word forms
- Comparative
- more conscientious
- Superlative
- most conscientious
Fill the gap
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She's a _____ student who never misses a deadline.
Etymology
From Middle French "conscientieux," ultimately related to "conscience" — the sense of being guided by a strong moral sense of duty.
Synonyms
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Related words
Rhymes for conscientious
See all rhymes for conscientious →Frequently asked questions
What does “conscientious” mean?
The word “conscientious” means careful, thorough, and diligent in doing one's work or duties. In plain terms, careful and dutiful — someone who takes their responsibilities seriously.
How do you pronounce “conscientious”?
“Conscientious” is pronounced kon-shee-EHN-shuhs (/ˌkɑn.ʃiˈɛn.ʃəs/ in IPA).
How do you use “conscientious” in a sentence?
Here is “conscientious” used in a sentence: “She's a conscientious student who never misses a deadline.”
What is the opposite of “conscientious”?
The opposite of “conscientious” — its antonyms — are capricious, impulsive and thoughtless.
What part of speech is “conscientious”?
“Conscientious” is an adjective.
Where does the word “conscientious” come from?
The word “conscientious” comes from Middle French. From Middle French "conscientieux," ultimately related to "conscience" — the sense of being guided by a strong moral sense of duty.
Is “conscientious” a common word?
“Conscientious” is an uncommon word in modern English, usually learned at around the C1 level.
