Not new; having been used in the past by someone else.
Second-hand
Reducing the amount of time needed to do something.
Time-saving
Very determined to achieve something.
Single-minded
Recognized by many people.
Well-known
Making you think a lot about a subject.
Thought-provoking
Extremely exciting, beautiful, or surprising:
Breathtaking
Better, bigger, longer, etc. than anything else before
Record-breaking
Written in an effective or interesting way.
Well-written
Person is physically attractive
Good-looking
(Food) very good appearance or smell that makes you want to eat.
Mouth-watering