Choose the perfect synonym or antonym for the word

Seriously

/ˈsɪəriəsli/

Used to denote that what is being said or done is of a serious nature and not intended to be humorous or flippant.

Synonyms:

I am seriously tired after work.She takes fitness very seriously for her health.

Derived from the Latin word serius, which passed into Middle English as serius. Over time, the word was adapted into the form seriously.

65 mentions per 1 million words

Often

Hint: Frequency according to COCA