inclined to secrecy or reticence about divulging information;
"although they knew her whereabouts her friends kept close about it"
- I don't know why Fred is always secretive as regards his family.
- Why was I always alone and secretive?
O'er his dark face..flitted A secretive smile.出自： Alexander Smith
So secretive that his friends..knew nothing about his private life.出自： K. Clark