adjective
illogical
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 notesIn 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
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “illogical”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
It seemed _____ to cancel the trip after all the money had been spent.
Etymology
From il- ("not") + logical.