Perhaps unbelievably, it is a valid word.
No. It is an adjective. The adverb form is unbelievably.
Another word for incredible is 'unbelievable.'
his finances were unbelievably low.
you can try unimaginably lucky or unbelievably lucky? or even extraordinarily lucky XP
The word is spelled "indubitably", and is essentially the same as undoubtedly.
No.
Incredulously = unbelievably
Unbelievable is an adjective.
Unbelievably, no.
she is an unbelievably hot pornstar
The correct spelling is unbelievably.
The word phenomenal is an adjective. It means very remarkable or amazing.