Main Entry: un·rea·son·able

Pronunciation: \-ˈrēz-nə-bəl, -ˈrē-z^ən-ə-bəl\

Function: adjective

Date: 14th century

1 a : not governed by or acting according to reason <unreasonable people> b : not conformable to reason : absurd <unreasonable beliefs>
2 : exceeding the bounds of reason or moderation <working under unreasonable pressure>

— un·rea·son·able·ness \-nəs\ noun

— un·rea·son·ably \-blē\ adverb