Usually means: Harmful or damaging in effect.
Definitions Related words Mentions History
We found 13 dictionaries that define the word deleteriously:

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

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

Medicine (2 matching dictionaries)
  1. deleteriously: Merriam-Webster Medical Dictionary
  2. deleteriously: Medical dictionary

(Note: See deleterious as well.)

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Definitions from Wiktionary (deleteriously)

▸ adverb:  In a deleterious manner; harmfully.

Similar:
detrimentally, harmfully, evil, damagingly, injuriously, depravingly, banefully, negatively, derogatorily, derogatively, more...

Opposite:
beneficially, positively, advantageously

▸ Words similar to deleteriously

▸ Usage examples for deleteriously

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▸ Words that often appear near deleteriously

▸ Rhymes of deleteriously

▸ Invented words related to deleteriously

Similar:
detrimentally, harmfully, evil, damagingly, injuriously, depravingly, banefully, negatively, derogatorily, derogatively, more...

Opposite:
beneficially, positively, advantageously



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