* Adjective: This is the most common usage. It describes something close, personal, or private.
* Example: "They shared an intimate moment."
* Verb: It can mean to hint at or suggest something indirectly.
* Example: "He intimated that he was leaving."
* Noun: It refers to a very close friend or confidant.
* Example: "She is my closest intimate."
So, the part of speech of "intimate" depends on the context.