reserved
v.v. keeping your feelings and thoughts to yourself. You do not show much emotion or talk a lot about your private life.
v. tending to keep one's thoughts and feelings private; slow to reveal emotion or opinions. Often used to describe a personality trait that is quiet but not necessarily shy.
He is a very reserved person who rarely talks about himself.
Although she was friendly at work, she remained reserved about her personal life and never discussed her family.
The culture of the diplomatic corps often rewards a reserved manner, as it prevents the accidental disclosure of sensitive information during social gatherings.
Typically used to describe people or their behavior; can also describe a seat or room kept for a specific person.
He is very reserveHe is very reservedLearners often use the noun or base verb form 'reserve' instead of the adjective 'reserved' to describe a person's character.