1. (adv.) Separately, in regard to space or company; in a state of separation as to place; aside.

2. (adv.) In a state of separation, of exclusion, or of distinction, as to purpose, use, or character, or as a matter of thought; separately; independently; as, consider the two propositions apart.

3. (adv.) Aside; away.

4. (adv.) In two or more parts; asunder; to piece; as, to take a piece of machinery apart.

a huis clos adrift alien alienated all to pieces alone aloof apart from aside aside from asunder at a distance away away from behind closed doors besides bipartite by itself by two companionless detached dichotomous disconnected discontinuous discrete disjunct disrelated dissociated distal distant distinct distinctly divergent except for excepting excluding exotic extraneous far far off faraway fifty-fifty foreign friendless half-and-half homeless in a backwater in camera in chambers in executive session in half in halves in privacy in private in private conference in privy in the abstract in the singular in twain in two incoherent incommensurable incomparable independent independently individually insular irrelative isolate isolated januis clausis kithless lone lonely lonesome long-distance long-range noncohesive not counting once one by one other out-of-the-way out-of-the-world outlandish particularly partitioned per se piecemeal privately privily quarantined remote removed retired rootless secluded segregate segregated separate separated separately severally shut off single-handed single-handedly singly singularly sky-high solitary solo strange to one side unabetted unaccompanied unaffiliated unaided unallied unassisted unassociated unattached unattended unconnected unescorted unfrequented unjoined unrelatable unrelated unseconded unsupported unvisited wide apart wide away withdrawn