Question

apart
I
 /əˈpɑɚt/  adv  
  1 : separated by an amount of space
   He stood with his feet planted far/wide apart.
   with legs apart
   They live five miles apart (from each other).
   The garage stands apart from the house. [=the garage is separate from the house]
   He stood apart while the other members of the team celebrated.
   They started fighting and it took four people to pull them apart (from each other). [=to separate them]
  — often used figuratively
   She tried to keep apart from [=to stay out of] family arguments.
   She has a quality that sets her apart from other singers. [=that makes her different from other singers]
   They were close friends once, but they have drifted/grown apart. [=they are no longer close friends]
   They are far apart on most issues. = They are worlds/poles apart on most issues. [=they disagree very much on most issues]
   The neighborhood she lives in now is a world apart from [=is completely different from] the small town where she grew up.
  2 : separated by an amount of time
   Their children were born two years apart.
  3 : not together
   My wife and I are unhappy when we're apart.
   They separated and have been living apart for the past year.
  4 : into parts or pieces
   He took the clock apart.
   The old couch is falling apart. = The old couch is coming apart at the seams.
   blast/blow/break/fly apart
   cut/pry/pull apart
   rip/tear/split apart
  5
  — used to say that something is not included in a statement that follows
   A few minor flaws apart [=aside], the novel is excellent. [=except for a few minor flaws, the novel is excellent]
  apart from
   1 : not including (something) : with the exception of (something)
    The potatoes were a little salty, but apart from [=except for] that, the food was very good.
   2 : other than (something) : besides
    Apart from his work, his only real interest is baseball.
    The work has value in itself, quite apart from the good effects it produces.
    I don't like it. Apart from anything else, it's too expensive.
   3 : separately from (something)
    This problem needs to be considered apart from the other issues.
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II
  adj  , not used before a noun
  : separate or different from others
   in a place apart
   a man apart
   Those athletes are a breed apart. [=they are not like other people; they are a special type of people]
  apart·ness  noun   [  noncount  ]