Synonyms of the word

unrhythmic

• adj. Having no rhythm.

arrhythmic

• adj. (music) Without rhythm.
• adj. (pathology) Suffering from cardiac arrhythmia.

irregular

• adj. Nonstandard; not conforming to rules or expectations.
• adj. Of a surface, rough.
• adj. Without symmetry, regularity, or uniformity.
• adj. (geometry, of a polygon) Not regular; having sides that are not equal or angles that are not equal.
• adj. (geometry, of a polyhedron) Whose faces are not all regular polygons (or are not equally inclined to each…
• n. A soldier who is not a member of an official military force and, often, does not follow regular army tactics.
• n. One who does not regularly attend a venue.

nonrhythmic

• adj. Not having rhythm; irregular.

unrhythmical

• adj. Not rhythmical.