To disagree seriously, to discord or quarrel; to fall at variance. Obsolete.

intransitive. Of a person: to contend violently, dispute, fall out, break off friendly relations; to become inimical or hostile, to disagree…

To fall out, to be at variance or discord, to disagree or quarrel, with a person, etc.

intransitive. To abandon, desert, or become estranged from someone; to withdraw one's support or allegiance (from). Cf. to fall away 2b at phrasal…

intransitive. To make or cause a breach; to quarrel, separate. Obsolete.

Const. against or at a person or thing.

Of persons: To quarrel; to grumble viciously; to show strong resentment or ill-feeling.

intransitive. To sever a connection abruptly; to cease from relation with, quarrel with. See also to break off 2 at phrasal verbs.

To sever connection or relation (with), to separate.

intransitive. To disagree, quarrel, fall out. Scottish and northern dialect.

English regional (chiefly northern and north midlands). to get wrong: (originally) to quarrel, argue; (now usually) to get into trouble; to be…

slang. To break or quarrel with a person.

As away, down, off, out, up. In intransitive senses. With out: also slang, to quarrel; to part company; to take one's leave (cf. sense 15 above)…