Answer: Look at 1 in definition of aura
Explanation:
au·ra
/ˈôrə/
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noun
noun: aura; plural noun: aurae; plural noun: auras
1.
the distinctive atmosphere or quality that seems to surround and be generated by a person, thing, or place.
"the ceremony retains an aura of mystery"
2.
(in spiritualism and some forms of alternative medicine) a supposed emanation surrounding the body of a living creature and regarded as an essential part of the individual.
"emotional, mental, and spiritual levels form an energy field around the body known as the aura"
Answer: stilted
Explanation: Tbh I searched the definition of “stilted”on the internet; it means “(of a manner of talking or writing) stiff and self-conscious or unnatural.” It wouldn’t be slang because slang means everyday talk. Vague means not thoroughly described. Cliché is used to describe a word, phrase, or event that is overused (ex. happily ever after, love at first sight)