theo ‧ ret ‧ i ‧ cally AC /θɪəˈretɪkli $ ˌθiːə-/ BrE AmE adverb [sentence adverb]
[ Word Family: noun : ↑ theorist , ↑ theory , ↑ theorem , theoretician; verb : ↑ theorize ; adverb : ↑ theoretically ; adjective : ↑ theoretical ]
1 . used to say what is supposed to be true in a particular situation, especially when the opposite is true OPP in practice :
Theoretically, Damian’s the boss, but I coordinate the team on a day-to-day basis.
2 . according to a scientific idea that has not been proven to be true in a practical way SYN hypothetically :
It is theoretically possible for computers to be programmed to think like humans.