unrisible
/ˌʌnˈrɪzbəl, ˌʌnˈrɪzəbəl/Definitions
1. adjective
Not capable of being risible; incapable of being laughed at or ridiculed.
“The artist’s work was considered unrisible by some critics.”
2. adjective
Not worthy of laughter or ridicule.
“The audience found the comedian’s jokes unrisible and fell silent.”