different as night and day
Also, different as day and night. Totally unlike. For example, Although they are sisters, they are as different as night and day. Also see night and day.
Words nearby different as night and day
diffeomorphism,
differ,
difference,
difference threshold,
different,
different as night and day,
different strokes for different folks,
differentia,
differentiable,
differentiable manifold,
differential