Fastidious
Part of speech: adjective
Definition: Excessively particular, demanding, or fussy about details. Overly concerned about tidiness and cleanliness. Difficult to please; quick to find fault.
Example sentence: Before achieving a dream, you need to make very little steps... People don't understand that when you want to make a big dream you have a lot of fastidious little things you have to do.
Exacting
Part of speech: verb
Definition: To demand and enforce the payment or performance of, sometimes in a forcible or imperious way.
Part of speech: adjective
Definition: Making excessive demands; hard to satisfy.Requiring precise accuracy