Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

unacceptable

play
adjective un·ac·cept·able \ˌən-ik-ˈsep-tə-bəl, -ak-\

Simple Definition of unacceptable

  • : not pleasing or welcome : not acceptable

Source: Merriam-Webster's Learner's Dictionary

Full Definition of unacceptable

  1. :  not acceptable :  not pleasing or welcome

unacceptability play \-ˌsep-tə-ˈbi-lə-tē\ noun
unacceptably play \-ˈsep-tə-blē\ adverb

Examples of unacceptable in a sentence

  1. a word that is unacceptable in formal English

  2. Some of her ideas were unacceptable to other people.



15th Century

First Known Use of unacceptable

15th century

Rhymes with unacceptable


UNACCEPTABLE Defined for Kids

unacceptable

play
adjective un·ac·cept·able \ˌən-ik-ˈsep-tə-bəl, -ak-\

Definition of unacceptable for Students

  1. :  not pleasing or welcome :  not acceptable <unacceptable behavior>





Seen and Heard

What made you want to look up unacceptable? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

tending to dismiss important matters

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

reduce disapprove perplex soothe
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ