Select the most appropriate ANTONYM to replace the italicised word in the given sentence.
I am astonished to see her mercurial demeanour in making any task a success.
1
invariable
2
fluctuant
3
capricious
4
erratic
Select the most appropriate ANTONYM to replace the italicised word in the given sentence.
I am astonished to see her mercurial demeanour in making any task a success.