مُجَالَحَةٌ
1.
[the verbal noun] signifies the acting openly with another in an affair: (As, K:) and the showing open enmity or hostility with another. (S, K.) You say, جَالَحْتُ الرَّجُلَ بِالأَمْرِ
I acted openly with the man in the affair. (S.) And جَالَحَنِى فُلَانٌ
Such a one showed open enmity or hostility with me; as also
جلّح عَلَىَّ. (A.)
2.
Also The contending with another for superiority in strength; synonym مُشَادَّةٌ (S) and مُكَالَحَةٌ. (S, K.) You say,
جَالَحَنِى فُلَانٌ وَجَلَحَنِى [apparently meaning Such a one contended with me for superiority in strength, and overcame me therein]. (TA.)
3.
And i. q.
مُكَابَرَةٌ [The contending with another for superiority in greatness; &c.]. (K.)