Both Uses

condescending
in
Seventeenth Summer
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Of course," she added with condescension, "it was nice of Art to bring him up, but it wasn't as if I had to have a date—it's such a short time since I was in Chicago and I know boys down there.... " We sat saying nothing for a while, me thinking about Jack and she thinking about I don't know what.†
Chpt June

condescension = the act of treating others as inferiors; or the act of doing something considered beneath one's position or dignity
"Of course," Lorraine went on with pointed condescension, "that depends on whether you're a genius or not."
Chpt July *

condescension = treating others as inferiors

Definitions:

(1) (condescending)
treating others as inferior; or doing something considered beneath one's position or dignity
(2) (meaning too rare to warrant focus)