A person regarded as being of no importance or significance.(noun)
Something that does not exist or that exists only in the imagination.(noun)
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.
Use "nonentity" in a sentence
"Joe McElderry – Shuddering nonentity from the north-east."
"“Without the cathedral, Kingsbridge would be nothing, the priory would sink back into obscurity, and Philip would once again be a nonentity, which is what he deserves.”"
"His nonentity was a source of regret to us: we lamented to see a tall handsome youth, destined to rule over his fellow-men, trembling at the eight of a horse, and wasting his time in the game of hide-and-seek, or at leap-frog and whose whole information consisted in knowing his prayers, and in saying grace before and after meals."