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adjective

illogical

Illogical (adjective) means not following the rules of logic; lacking sound reasoning. Example: “It seemed illogical to cancel the trip after all the money had been spent.”

adjective
1
Not following the rules of logic; lacking sound reasoning.
"It seemed illogical to cancel the trip after all the money had been spent."

How to use illogical

Learner’s notes

In plain EnglishDoesn't make sense — the reasoning behind it is flawed or contradictory.

Common pairings
illogical argument illogical conclusion

Word forms

more illogical comparative, most illogical superlative

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It seemed _____ to cancel the trip after all the money had been spent.

Etymology

From il- ("not") + logical.

unlogical

Rhymes for illogical

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Frequently asked questions

What does “illogical” mean?

The word “illogical” means not following the rules of logic; lacking sound reasoning. In plain terms, doesn't make sense — the reasoning behind it is flawed or contradictory.

How do you use “illogical” in a sentence?

Here is “illogical” used in a sentence: “It seemed illogical to cancel the trip after all the money had been spent.”

What part of speech is “illogical”?

“Illogical” is an adjective.

What is the meaning of illogical?

"illogical" (adjective) means not following the rules of logic; lacking sound reasoning.

Definitions: FreeDict original editorial