Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Having no ground or foundation; unsubstantiated: groundless optimism. See Synonyms at baseless.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Without any grounds to support it; baseless.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Without ground or foundation; wanting cause or reason for support; not authorized; false; baseless

from The Century Dictionary and Cyclopedia

  • Without ground or foundation; especially, having no adequate cause or reason; not authorized; baseless.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. without a basis in reason or fact

Etymologies

ground +‎ -less (Wiktionary)

Examples

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.