Apartness

into pieces or parts; to pieces:
to take a watch apart; an old barn falling apart from decay.
separately in place, time, motion, etc.:
new york and tokyo are thousands of miles apart. our birthdays are three days apart.
to or at one side, with respect to place, purpose, or function:
to put money apart for education; to keep apart from the group out of pride.
separately or individually in consideration:
each factor viewed apart from the others.
aside (used with a gerund or noun):
joking apart, what do you think?
having independent or unique qualities, features, or characteristics (usually used following the noun it modifies):
a cl-ss apart.
take apart,

to dis-ssemble:
to take a clock apart.
informal. to criticize; attack:
she was taken apart for her controversial stand.
to subject to intense examination:
he will take your feeble excuses apart.

apart from, aside from; in addition to; besides:
apart from other considerations, time is a factor.
historical examples

browning does not stand alone among the poets in the apartness from his own land of which i have written.
the poetry of robert browning stopford a. brooke

at the time it emphasized the majesty of solomon—his apartness from his people.
archology and the bible george a. barton

they do a thing that puts them apart—it may be the big, brave thing—but the apartness does something to them.
plays susan glaspell

he told himself this calmly, with an odd sense of apartness.
satan sanderson hallie erminie rives

their apartness that so dislocated the upper, outer, surface-life was only apparent after all.
the promise of air algernon blackwood

but browning makes nature manifest her apartness from the man.
the poetry of robert browning stopford a. brooke

(in anguish) you rare thing untouched—not—not into this—not back into this—by me—lover of your apartness.
plays susan glaspell

adjective, adverb (postpositive)
to pieces or in pieces: he had the television apart on the floor
placed or kept separately or to one side for a particular purpose, reason, etc; aside (esp in the phrases set or put apart)
separate in time, place, or position; at a distance: he stood apart from the group, two points three feet apart
not being taken into account; aside: these difficulties apart, the project ran smoothly
individual; distinct; separate: a race apart
separately or independently in use, thought, or function: considered apart, his reasoning was faulty
(preposition) apart from, besides; other than
adv.

late 14c., from old french à part “to the side,” from latin ad “to” (see ad-) + partem, accusative of pars “a side” (see part (n.)).
in addition to the idiom beginning with
apart
also see:

come apart
fall apart
pick apart
poles apart
set apart
take apart
tear apart
tell apart