- I find your attitude completely unreasonable.
- She divorced him on the grounds of unreasonable behaviour.
- If he expects you to do that, I think he's being completely unreasonable.
- I hope he doesn't think I'm being unreasonable.
- He's always making unreasonable demands on my time.
Thesaurus: synonyms and related words
adverb uk /ʌnˈriː.zən.ə.bli/ us /ʌnˈriː.zən.ə.bli/