Disunite, v. t. [imp. & p. p. Disunited; p. pr. & vb. n. Disuniting.] — Webster enters it under “disunite”
1. To destroy the union of; to divide; to part; to sever; to disjoin; to sunder; to separate; as, to disunite particles of matter.
2. To alienate in spirit; to break the concord of. Go on both in hand, O nations, never be disunited, be the praise . . . of all posterity! Milton.
1 other Webster entry under this spelling
Disunite, v. i.
To part; to fall asunder; to become separated. The joints of the body politic do separate and disunite. South.
Shades of meaning
Fernald lists disunited only as an antonym, under mutual.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given