frabjous
Joyously, fantastically excellent
Frabjous is a nonsense word coined by Lewis Carroll in "Jabberwocky," suggesting something wonderful, fabulous, or joyous: O frabjous day! Callooh! Callay!
The word has no fixed meaning but conveys exuberant celebration.
It occasionally appears in playful or literary contexts as a whimsical synonym for delightful.
delightful
Highly pleasing, wonderful
gleeful · exuberant · rapturous · overjoyed · blissful · euphoric · exhilarated · thrilled · radiant · buoyant
jabberwocky
Nonsensical invented language
portmanteau · brillig · slithy · mimsy · playful · fanciful · absurdist · neologism · made-up · linguistic