Usually means: Acting without consideration or care.
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We found 17 dictionaries that define the word thoughtlessly:

General (16 matching dictionaries)
  1. thoughtlessly: Merriam-Webster
  2. thoughtlessly: Oxford Learner's Dictionaries
  3. thoughtlessly: Collins English Dictionary
  4. thoughtlessly: Vocabulary.com
  5. Thoughtlessly, thoughtlessly: Wordnik
  6. thoughtlessly: Cambridge Advanced Learner's Dictionary
  7. thoughtlessly: Wiktionary
  8. thoughtlessly: Dictionary.com
  9. thoughtlessly: Cambridge Essential American English Dictionary
  10. thoughtlessly: Rhymezone
  11. thoughtlessly: Webster's 1828 Dictionary
  12. thoughtlessly: FreeDictionary.org
  13. thoughtlessly: Mnemonic Dictionary
  14. thoughtlessly: TheFreeDictionary.com

Business (1 matching dictionary)
  1. thoughtlessly: Legal dictionary

(Note: See thoughtless as well.)

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Definitions from Wiktionary (thoughtlessly)

▸ adverb:  Done without thinking.

Similar:
unthinking, unthoughtedly, unreasoningly, designlessly, unreflectingly, unknowingly, blithely, unawarely, unobservingly, purposelessly, more...

Opposite:
deliberately, thoughtfully, consciously, intentionally

Phrases:
opposite of thoughtlessly, something said thoughtlessly, more...

▸ Words similar to thoughtlessly

▸ Usage examples for thoughtlessly

▸ Idioms related to thoughtlessly

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▸ Words that often appear near thoughtlessly

▸ Rhymes of thoughtlessly

▸ Invented words related to thoughtlessly

Similar:
unthinking, unthoughtedly, unreasoningly, designlessly, unreflectingly, unknowingly, blithely, unawarely, unobservingly, purposelessly, more...

Opposite:
deliberately, thoughtfully, consciously, intentionally

Phrases:
opposite of thoughtlessly, something said thoughtlessly, more...



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