Lacking a regular or predictable rhythm; having irregular or abnormal rhythmic patterns.
Greek 'a-' (without) + 'rhythmos' (rhythm) + '-ic' (adjective suffix). This term developed in medical and musical contexts to describe anything lacking proper rhythmic structure.
In poetry and music, arrhythmic patterns can be intentionally used for artistic effect—John Cage famously composed pieces that challenged our expectations of rhythm, making silence and irregular timing part of the art.
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