from up + fanciful ending, perhaps influenced by -ity
uppity for learners of EnglishPowered by COBUILD (ʌpɪti)
graded adjective & adjective
If you say that someone is uppity, you mean that they are behaving as if they were very important and you do not think that they are important. [informal, disapproval] ⇒ If you just tried to show normal dignity, you were viewed as uppity.