Closely acquainted; familiar, close. They have an intimate friendship that has lasted for years.
She shared intimate details of her life in the memoir.
Involving very close connection. The intimate atmosphere of the small restaurant made it perfect for a romantic dinner.
Sexually involved or having a sexual relationship. The gossip columns claimed the actor and his co-star were intimate.
Marked by very detailed or thorough knowledge or familiarity. He possessed an intimate knowledge of the terrain.