Centripetal force is a fictitious force.

True
False

ik that centrifugal is fictitious, is it the same?

If you stand on the edge of a merry go round and it starts you will accelerate into the parking lot. You need that centripetal force to keep you on the disk.

Centrifugal is kind of non-physics but we all know what it means anyway.

Yes it is true they both are same except in some cases but we take both same