intimate

Concise Oxford English Dictionary © 2008 Oxford University Press:
intimate1 /ˈɪntɪmət/

▶adjective

• 1 closely acquainted; familiar: intimate friends.

  ■ having an informal friendly atmosphere.

• 2 private and personal: intimate details.

  ■ euphemistic having a sexual relationship.

• 3 involving very close connection.

• 4 (of knowledge) detailed.

▶noun a very close friend.

– derivatives
intimately adverb.

– origin C17 (as n.): from late L. intimatus, past part. of L. intimare ‘impress, make familiar’, from intimus ‘inmost’.

Concise Oxford English Dictionary © 2008 Oxford University Press:
intimate2 /ˈɪntɪmeɪt/

▶verb state or make known.

■ imply or hint.

– derivatives
intimation noun.

– origin C16 (earlier (ME) as intimation): from late L. intimat-, intimare (see intimate1).