becoming without rhythm or regularity because the pulse
- lacking a steady rhythm
- irrespective of rhythm
- Alt. of Arrhythmous
1853, "without rhythm," in relation to musical sensibility, contemporary Latin, from Greek arrhythmos "irregular, unrhythmical, without measure," from a- "not" (see a- (3)) + rhythmos (see rhythm). Healthcare arrhythmia "irregularity of pulse" is attested from 1888, from Greek noun of action from arrhythmos. Relevant: Arrhythmically.
(a.) Alt. of Arrhythmous