cantankerously
They remembered her notorious cantankerousness and explosive anger that sometimes led to her walking off stage in the middle of a performance.
He criticizes everything, and his cantankerousness sometimes takes on an aggressive edge.
Maybe it's my age or my cantankerousness but I just can't bear to watch this.
He plays the character with feisty cantankerousness.

SMART Vocabulary: related words and phrases

Bad-tempered
argumentative
bad-tempered
be hell on wheelsidiom
be like a bear with a sore headidiom
be spoiling for a fightidiom
grouchy
grumpily
grumpiness
grumpy
have a short fuseidiom
pettishly
petulance
petulancy
petulant
petulantly
surlily
surliness
testily
testiness
testy