American English
/ənˈɹi.zə.nə.bl̩/
5 syllables · Stress the second syllable.
Not fair or sensible because someone is asking for too much or expecting too much.
“Unreasonable” is commonly pronounced /ənˈɹi.zə.nə.bl̩/. You may also hear the shorter form /ənˈɹiz.nə.bl̩/, especially in natural speech.
Not fair or sensible because someone is asking for too much or expecting too much.
My boss made an unreasonable demand.
It is unreasonable to expect an answer today.
For a demand or behavior, unreasonable often means “too much” or “unfair,” not only “illogical.”
unreasonable demand · unreasonable request · unreasonable price · unreasonable behavior
an unreasonable + noun
It is unreasonable to + verb
Not based on good reasons or clear thinking.
Her unreasonable fear kept her off planes.
That conclusion seems unreasonable.
unreasonable fear · unreasonable expectation
seem unreasonable
an unreasonable fear of + noun