theoretically
🇺🇸
/ˌθiːəˈretɪkli/
🇬🇧
/ˌθɪəˈretɪkli/
in a way based on ideas and principles, not on real practice
Theoretically, this method should work, but we need to test it in real situations.
in a way that could possibly happen, but is not likely
Theoretically, he could win the race, but his chances are very small.