Conscientious is defined as acting in a way that is very thorough and careful.(adjective)
An example of conscientious is measuring the liquid in each test tube of an experiment to be perfectly equal.
The definition of conscientious is following what you know to be right or true.(adjective)
An example of conscientious is making a moral decision after lots of research and consideration.
See conscientious in Webster's New World College Dictionary
Origin: Fr conscientieux < ML conscientiosus: see conscience & -ous
See conscientious in American Heritage Dictionary 4
Origin: Obsolete French conscientieux
Origin: , from Medieval Latin cōnscientiōsus
Origin: , from Latin cōnscientia, conscience; see conscience.
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