Usually means: Without any basis or justification.
Definitions Related words Mentions History
We found 12 dictionaries that define the word groundlessly:

General (10 matching dictionaries)
  1. groundlessly: Merriam-Webster
  2. groundlessly: Oxford Learner's Dictionaries
  3. groundlessly: Collins English Dictionary
  4. groundlessly: Vocabulary.com
  5. groundlessly: Wordnik
  6. groundlessly: Wiktionary
  7. groundlessly: Dictionary.com
  8. groundlessly: Webster's 1828 Dictionary
  9. groundlessly: FreeDictionary.org
  10. groundlessly: TheFreeDictionary.com

Business (2 matching dictionaries)
  1. groundlessly: Merriam-Webster Legal Dictionary
  2. groundlessly: Legal dictionary

(Note: See groundless as well.)

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Definitions from Wiktionary (groundlessly)

▸ adverb:  In a groundless manner; without justification.

Similar:
ungroundedly, causelessly, for no good reason, sourcelessly, placelessly, purposelessly, unexplainedly, plotlessly, objectlessly, unexcusedly, more...

Opposite:
justifiably, reasonably, validly

Types:
irrationally, unreasonably, unjustifiably, inappropriately, improperly, incorrectly, more...

▸ Words similar to groundlessly

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Similar:
ungroundedly, causelessly, for no good reason, sourcelessly, placelessly, purposelessly, unexplainedly, plotlessly, objectlessly, unexcusedly, more...

Opposite:
justifiably, reasonably, validly

Types:
irrationally, unreasonably, unjustifiably, inappropriately, improperly, incorrectly, more...



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