Definition of "unbidden" []

• Not invited, asked, or requested; unasked: unbidden guests; comments unbid and unwelcome. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Keats who seems to emerge unbidden from the shadows, as if the act of gazing into the darkness brought him to the surface."
• "A waiter, again unbidden, brought the chessboard and the current issue of the Times, with the page turned down at the chess problem."
• "The word came unbidden and in a voice that was his and not his."