illogical
8 synonyms and 1 antonym for illogical, grouped by meaning and by how common each one is.
Adjective — Not following the rules of logic; lacking sound reasoning.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Antonyms
How to use illogical
The word patterns that sound natural to a native speaker.
illogical argument
illogical conclusion
Etymology
From il- ("not") + logical.
Full origin of illogical →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.
