Thesaurus

illogical

adjective

Synonyms & Antonyms of illogical

See the Dictionary Definition 

Keep scrolling for more

Learn More about illogical

Time Traveler for illogical

Time Traveler

The first known use of illogical was in 1588

See more words from the same year

Cite this Entry

“Illogical.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/illogical. Accessed 22 Oct. 2020.

Keep scrolling for more

More from Merriam-Webster on illogical

Dictionary: Definition of illogical

Nglish: Translation of illogical for Spanish Speakers

Britannica English: Translation of illogical for Arabic Speakers

Comments on illogical

What made you want to look up illogical? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!