WordofTheDay.US

unacceptable

/ˌʌn.ækˈsɛp.tə.bl̩/ adjective

adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about unacceptable at Wordnik → Where our words come from →

  1. Not adequate to give satisfaction.
    the coach told his players that defeat was unacceptable
  2. Not acceptable; not welcome.
    a word unacceptable in polite society
  3. (used of persons or their behavior) not acceptable or reasonable.
    impossible behavior

Origin

From Middle English unacceptabylle, equivalent to un- + acceptable.

From Wiktionary, via Kaikki.org (CC BY-SA)