conscientious
3 antonyms and opposites of conscientious, grouped by meaning.
Adj — Careful, thorough, and diligent in doing one's work or duties.
Antonyms
How to use conscientious
The word patterns that sound natural to a native speaker.
Etymology
From Middle French "conscientieux," ultimately related to "conscience" — the sense of being guided by a strong moral sense of duty.
Full origin of 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.