on the contrary
‘You left Paris yesterday, sir?’ he said to Monseigneur, as he took his seat at table.
‘Yesterday. And you?’
‘I come direct.’
‘From London?’
‘Yes.’
‘You have been a long time coming,’ said the Marquis, with a smile.
‘On the contrary; I come direct.’
‘Pardon me! I mean, not a long time on the journey; a long time intending the journey.’
Charles Dickens, A Tale of Two Cities, 1859.
on the contrary
used to show that you think or feel the opposite of what has just been stated:
“Didn’t you find the film exciting?” “On the contrary, I nearly fell asleep half way through it!” [CALD]
on the contrary Idiom
used to introduce a statement that says the opposite of the last one:
‘It must have been terrible.’ ‘On the contrary, I enjoyed every minute.’ [OALD]
on the contrary Idiom
In opposition to what has been stated or what is expected:
I’m not sick; on the contrary, I’m in the peak of health. [AHD4]