Painstaking
Part of speech: adjective
Definition: Carefully attentive to details; diligent in performing a process or procedure.
Part of speech: noun
Definition: The application of careful and attentive effort.
Example sentence: That can be the most painstaking aspect of being a teen, figuring out what the world really looks like. If you find someone in a book, you know you're not alone and that's what's so comforting about books.
Careful
Part of speech: adjective
Definition: Full of care or grief; sorrowful, sad.Full of cares or anxiety; worried, troubled.Having care (for); attentive to potential danger, error or harm; cautious.Conscientious and painstaking; meticulous.
Example sentence: Every nurse ought to be careful to wash her hands very frequently during the day. If her face, too, so much the better.