Dictionary

conscientious

adjective con·sci·en·tious \ˌkän(t)-shē-ˈen(t)-shəs\

: very careful about doing what you are supposed to do : concerned with doing something correctly

Full Definition of CONSCIENTIOUS

1
:  governed by or conforming to the dictates of conscience :  scrupulous <a conscientious public servant>
2
:  meticulous, careful <a conscientious listener>
con·sci·en·tious·ly adverb
con·sci·en·tious·ness noun

Examples of CONSCIENTIOUS

  1. She has always been a very conscientious worker.
  2. He was conscientious about following the doctor's orders.
  3. He was a good friend to his comrades, a conscientious leader mindful of his men's needs; an upright family man with strong, bright, proud children … —Tom Clancy, Without Remorse, 1994

Origin of CONSCIENTIOUS

(see conscience)
First Known Use: 1576

Synonym Discussion of CONSCIENTIOUS

upright, honest, just, conscientious, scrupulous, honorable mean having or showing a strict regard for what is morally right. upright implies a strict adherence to moral principles <a stern and upright minister>. honest stresses adherence to such virtues as truthfulness, candor, fairness <known for being honest in business dealings>. just stresses conscious choice and regular practice of what is right or equitable <workers given just compensation>. conscientious and scrupulous imply an active moral sense governing all one's actions and painstaking efforts to follow one's conscience <conscientious in the completion of her assignments> <scrupulous in carrying out the terms of the will>. honorable suggests a firm holding to codes of right behavior and the guidance of a high sense of honor and duty <a difficult but honorable decision>.
CONSCIENTIOUSNESS Defined for Kids

conscientious

adjective con·sci·en·tious \ˌkän-shē-ˈen-shəs\

Definition of CONSCIENTIOUS for Kids

1
:  guided by or agreeing with a sense of doing what is right <No conscientious person would stand for such unfair actions.>
2
:  using or done with care <conscientious teachers> <conscientious efforts>

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June 29, 2015
expeditious Hear it
efficient or prompt
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