unreasonable

Word parts

un- + reasonable

Pronunciation

• IPA ^(key): /ʌnˈriːz(ə)nəbl̩/

• Audio (UK)

  (file)

Adjective

Positive unreasonable

Comparative more unreasonable

Superlative most unreasonable

1. If a situation is unreasonable, it's not something that many people would agree to or like.
   • Synonyms: uncooperative, unhelpful and annoying

   It's unreasonable to ask us all to change our plans at the last minute.

   That meeting took an unreasonable amount of time.

Related words

• reasonable
• reason