Adverb
muchly (not comparable)
(colloquial) very much, very
That's why I say, "Duckie! Don't grumble! Don't stew! Some critters are much-much, oh, ever so much-much, so muchly much-much more unlucky than you!" Dr. Seuss
A perfect name and it honors a muchly maligned ancestor, bringing her to celebrity status. Source: Internet
Not muchly experienced in puddings myself, I'll be a passive observer. Source: Internet