Definition of illogical
- an illogical argument
- illogical policies
It is illogical to think that things will change on their own.
the illogical claim that playing basketball makes people taller because one sees so many tall players
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'illogical.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: not showing good judgment : not thinking about things in a reasonable or sensible way : not logical
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Confusing Words—A Quiz