a. [f. JAR sb.1 + -LESS.] Free from jar or jars; causing no jar.
1876. Blackie, Songs Relig. & Life, 67. Nor can the well-timed courses Of earths and moons Ring to the stroke of blind unthinking forces Their jarless tunes.
1888. Olivia M. Stone, in Pall Mall Gaz., 31 Jan., 5/2. The smooth, jarless, but sadly suggestive hammock.