Synonyms: scrupulous, painstaking, conscientious
Definition: characterized by extreme care and great effort
Usage: conscientious application to the work at hand; painstaking research; scrupulous attention to details
Similar words: careful
Definition: exercising caution or showing care or attention
Usage: they were careful when crossing the busy street; be careful to keep her shoes clean; did very careful research; careful art restorers; careful of the rights of others; careful about one's behavior