worlds apart
Vastly different.
In terms of technology, today's media and that of the 19th century are worlds apart, but they still serve the same purpose.
adv
Placed separately (in regard to space or time).
We had a large bus and I had two of them at the front and two at the back, and I had to sit in the middle and keep them apart.
Others apart sat on a hill retired.
Separately, exclusively, not together.
Consider the two propositions apart.
In or into two or more parts.
We took the computer apart and put it back together.
Love, love will tear us apart, again.
To the side; aside.
Wherefore lay apart all filthiness and superfluity of naughtiness, and receive with meekness the engrafted word, which is able to save your souls.
Let Pleasure go, put Care apart.
postp
Excluded from consideration.
Joking apart, what do you think?
adj
Exceptional, distinct.
In aristocracies, servants are a class apart.
Having been taken apart; disassembled, in pieces.
Separate, on the side.
The young lover was in waiting, to hand them out of the large substantial carriage, and the first quiet moment that he could find for an apart whisper, said, "What can be the reason that your mother has never taken the slightest notice of my letter?"