fallacious

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/fəˈleɪʃəs/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/fəˈleɪʃəs/ ,USA pronunciation: respelling(fə lā′shəs)


WordReference Random House Learner's Dictionary of American English © 2025
fal•la•cious /fəˈleɪʃəs/USA pronunciation   adj. 
  1. logically unsound:fallacious arguments.
  2. deceptive;
    misleading:fallacious testimony.
fal•la•cious•ly, adv. 

WordReference Random House Unabridged Dictionary of American English © 2025
fal•la•cious  (fə lā′shəs),USA pronunciation adj. 
  1. containing a fallacy;
    logically unsound:fallacious arguments.
  2. deceptive;
    misleading:fallacious testimony.
  3. disappointing;
    delusive:a fallacious peace.
  • Latin fallāciōsus deceitful, deceptive. See fallacy, -ous
  • 1500–10
fal•la′cious•ly, adv. 
fal•la′cious•ness, n. 

Collins Concise English Dictionary © HarperCollins Publishers::
fallacious / fəˈleɪʃəs/
  1. containing or involving a fallacy; illogical; erroneous
  2. tending to mislead
  3. delusive or disappointing
falˈlaciously
'fallacious' also found in these entries (note: many are not synonyms or translations):
-acious - apatetic - casuistry - deceitful - deceptive - dialectic - fallacy - false - hysteron proteron - illusory - lying - petitio principii - sophister - sophistic - sophistication - sophistry - subreption - transcendental dialectic - unsound

Forum discussions with the word(s) "fallacious" in the title:


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