Adjective: conscientious ,kón-shee'en-shus
- Characterized by extreme care and great effort
"conscientious application to the work at hand";
- painstaking, scrupulous
- Guided by or in accordance with conscience or sense of right and wrong
"a conscientious decision to speak out about injustice"
See also: careful
Antonym: unconscientious
Encyclopedia: Conscientious