Jär1, v. i.
[imp. & p. p. JARRED; p. pr. & vb. n. JARRING.] [Allied to O. H. Ger. kerran, to chatter, croak, N. H. Ger. quarren, to grumble, and Lat. garrire, to chatter, prate; Fr. jar, jars, Wallon. geâr, a gander, so called from the chattering noise it makes.] 1. To give forth a short rattle or tremulous sound; to vibrate harshly or discordantly; as, a jarring sound. When such strings jar, what hope of harmony? Shak. A string may jar in the best master's hand. Roscommon. 2. To act in opposition or disagreement; to clash; to interfere; to quarrel; to dispute. For orders and degrees jar not with liberty, but well consist. Milton. 3. To vibrate regularly; to repeat the same sound. Shak.