An ill-tempered person full of resentment and stubborn notions.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "curmudgeon" in a sentence
"Hawkowl, I would gladly accede to the label curmudgeon, but I'll never be a snarkling, and I don't do groveling."
"Apparently I'm just a title curmudgeon this morning :"
"This image of Bloom as traditionalist curmudgeon is considerably at odds with the impression one might have gotten from his critical writings of the 1970s and 1980s, in which Bloom advances his own intricate (if ultimately rather private, even hermetic) theory of literary production and reception that does indeed focus on poetic greatness but hardly defends tradition for tradition's sake."