illogical

[ih-loj-i-kuhl]

adjective

1. not logical; contrary to or disregardful of the rules of logic; unreasoning.

   an illogical reply.

   Synonyms: preposterous, absurd, unsound

illogical

/ ɪˈlɒdʒɪkəl, ɪˌlɒdʒɪˈkælɪtɪ /

adjective

1. characterized by lack of logic; senseless or unreasonable

2. disregarding logical principles

Other Word Forms

• illogically adverb
• illogicalness noun
• illogicality noun

Word History and Origins

Origin of illogical¹

First recorded in 1580–90; il- ² + logical

Example Sentences

The racial classification structure is incoherent and illogical.

Read more on The Wall Street Journal

HHS’s move to cancel this contract is pitifully illogical.

Read more on Salon

One said it would be "madness" to get rid of the prime minister at this stage, while one minister branded Burnham's comments "completely illogical and utterly self-indulgent".

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But the strange thing is that the more illogical the “And Just Like That” universe becomes, the more entertaining it is.

Read more on Salon

The android, played by Alexander Skarsgård, is often fed up with humans and their illogical, self-defeating choices.

Read more on Los Angeles Times

Related Words

• absurd 
• false 
• groundless 
• implausible 
• inconsistent 
• incorrect 
• irrational 
• irrelevant 
• preposterous 
• senseless 
• unreasonable 
• unscientific 
• untenable