unhumored
/ˌʌnˈhjuːmərd, ˈʌn-/Definitions
1. adjective
not amused or entertained, especially by something that is supposed to be funny
“The audience was largely unhumored by the comedian’s jokes.”
2. adverb
in a way that is not amused or entertained, especially by something that is supposed to be funny
“The film was unhumoredly serious throughout.”