Origin: Latin suffix -ous
Conscientious has 3 different meanings across 1 category:
characterized by extreme care and great effort
"conscientious application to the work at hand"
"painstaking research"
"scrupulous attention to details"
guided by or in accordance with conscience or sense of right and wrong
"a conscientious decision to speak out about injustice"
Thorough, careful, or vigilant in one’s task performance.
"The conscientious accountant double-checked every decimal point before finalizing the quarterly report."