AREN'T
Meaning of AREN'T in English
transcription, транскрипция: [ ˈärnt, ˈär-ənt ]
Date: 1675
1. : are not
they aren't here yet
2. : am not — used in questions
I'm right, aren't I?
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003