acceptable

[ ak-sep-tuh-buh l ]
/ ækˈsɛp tə bəl /

adjective

capable or worthy of being accepted.
pleasing to the receiver; satisfactory; agreeable; welcome.
meeting only minimum requirements; barely adequate: an acceptable performance.
capable of being endured; tolerable; bearable: acceptable levels of radiation.

Origin of acceptable

First recorded in 1350–1400; Middle English word from Late Latin word acceptābilis. See accept, -able
Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unacceptable

British Dictionary definitions for unacceptable (1 of 2)

unacceptable

/ (ˌʌnəkˈsɛptəbəl) /

adjective

not satisfactory; inadequatethe standard was wholly unacceptable
intolerablehitting children is unacceptable

British Dictionary definitions for unacceptable (2 of 2)

acceptable

/ (əkˈsɛptəbəl) /

adjective

satisfactory; adequate
pleasing; welcome
tolerable
Derived Formsacceptability or acceptableness, nounacceptably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012