jokingly; in a joking manner
Used when someone says or does something in a way that makes it seem like a joke, often to soften a statement or hide true feelings.
He said jokingly, 'I might quit.'
I said it jokingly, but actually I was serious.
Derived from 冗談 (joke) + めかす (to make something look like), with the て-form functioning adverbially.