To Jar. v.n. [from eorre, anger, Saxon; or guerre, war, French; or garren, old Teutonick, to clamour.]

1. To strike together with a kind of short rattle.

   A hollow groan, a murm'ring wind arose;
   The rings of iron, that on the doors were hung,
   Sent out of a jarring sound, and harshly rung. Dryden.

   My knees tremble with the jarring blow. Gay.

2. To strike or sound untuneably.

                         O, you kind gods!
   Cure this great breach in his abused nature:
   Th' untun'd and jarring senses, O, wind up,
   Of this child-changed father. Shakesp. King Lear.

   I perceive you delight not in musick.
   — Not a whit, when it jars so. Shakespeare.

   A string may jar in the best master's hand,
   And the most skilful archer miss his aim. Roscommon.

   He keeps his temper'd mind, serene and pure,
   And every passion aptly harmoniz'd
   Amid' a jarring world. Thomson's Summer.

3. To clash; to interfere; to act in opposition; to be inconsistent.

   At last, though long, our jarring notes agree. Shakesp.

                       For orders and degrees
   Jar not with liberty, but well consist. Milt. Parad. Lost.

           Venalus concluded his report:
   A jarring murmur fill'd the factious court:
   As when a torrent rolls with rapid force,
   The flood, constrain'd within a scanty space,
   Roars horrible. Dryden's Æn.

4. To quarrel; to dispute.

   When those renowned noble peers of Greece,
   Through stubborn pride, among themselves did jar,
   Forgetful of the famous golden fleece,
   Then Orpheus with his harp their strife did bar. Spenser.

   They must be sometimes ignorant of the means conducing to those ends, in which alone they can jar and oppose each other. Dryden's Juvenal, Dedication.