bound by or as if by a spell; enchanted, entranced, or fascinated: a spellbound audience.

What does spellbound mean?

: giving all of your attention and interest to something or someone. See the full definition for spellbound in the English Language Learners Dictionary. spellbound. adjective. spell·​bound | \ ˈspel-ˌbau̇nd \

What does it mean for a witch to be spellbound?

To be spellbound is to have your attention captured by something, captured so strongly it feels like witchcraft.