incognito

With one’s identity disguised or concealed.

The identity assumed by a person whose actual identity is disguised or concealed.

Unknown; disguised under an assumed name and character: generally with reference to a man, usually of some distinction, who passes, actually or conventionally, as in travel, under an assumed name or in disguise, in order to avoid notice or attention.

A man unknown, or in disguise, or living under an assumed name.

Concealment; state of concealment; assumption of a disguise or of a feigned character.

Without being known; in disguise; in an assumed character, or under an assumed title; — said esp. of great personages who sometimes adopt a disguise or an assumed character in order to avoid notice.

One unknown or in disguise, or under an assumed character or name.

The assumption of disguise or of a feigned character; the state of being in disguise or not recognized.

Without being known; in disguise; in an assumed character, or under an assumed title.

Without revealing one’s identity.