curmudgeonliness en · NOUN
Etymology
From curmudgeonly + -ness.
Meanings
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(uncountable) The state or condition of being curmudgeonly.
This hostility was forgotten in a trice when Sir Edward telephoned from his hotel in Bruges this morning, wondering if Ayrs might be able to spare him an hour or two. Ayrs made a show of curmudgeonliness, but I could tell by the way he badgered Mrs. Willems about the arrangements for tea, he was pleased as the cat who got the cream.
2004, David Mitchell, “Letters From Zedelghem”, in Cloud Atlas, →ISBN, page 82: