illogical
/ɪˈlɒdʒɪkl/ (bre, ipa) · /ɪˈlɑːdʒɪkl/ (ame, ipa) · /(ˌ)i(l)-ˈlä-ji-kəl/ (ame, mw)
illogical — adjective
- illogicalpositive
- more illogicalcomparative
- most illogicalsuperlative
1. describes an idea, decision, or action that does not make sense because it goes
describes an idea, decision, or action that does not make sense because it goes against the usual rules of reason — for example, believing two opposite things at the same time, or refusing to accept clear facts that prove you are wrong
Vikram's argument was illogical — he wanted lower taxes and more public spending.
illogical + appositive clause showing contradiction
Chen said it was illogical to drive twenty miles to save three dollars.
it is illogical + to-infinitive
The rule seemed illogical — it punished people who reported crimes, not those who committed them.
Yuki found it illogical of her manager to promote someone who never met a deadline.
Diego refused the illogical conclusion that studying less meant better exam results.
- irrational
stronger than illogical; suggests reasoning overwhelmed by emotion rather than just following faulty logic
- unreasonable
focuses on being unfair or excessive in demands or expectations, not necessarily on flawed reasoning
- senseless
more emotional; suggests that something has no purpose or meaning at all
- logical
follows clear, step-by-step reasoning without contradictions
- reasonable
based on good sense and fair judgement
- rational
based on clear, calm thinking rather than emotion
文法句型
it is illogical + to-infinitive
it is illogical + that-clause
illogical + noun
seem/sound/find + illogical
用法筆記
Frequently used with impersonal 'it' as the subject: 'it is illogical to...' or 'it seems illogical that...'. The subject is usually an argument, rule, decision, or explanation — describing a person directly as illogical is less common and often carries a stronger critical tone.