theoretically

US /ˌθiː.əˈret̬.ə.kəl.i/
UK /ˌθiː.əˈret̬.ə.kəl.i/
"theoretically" picture
1.

théoriquement

in theory; in an ideal or hypothetical way, rather than in practice

:
Theoretically, this plan should work perfectly.
Théoriquement, ce plan devrait fonctionner parfaitement.
You could theoretically finish the project by tomorrow, but it would be very difficult.
Vous pourriez théoriquement terminer le projet d’ici demain, mais ce serait très difficile.