unrhythmical

Example:The dance moves were performed with such an irregular pace that they seemed almost accidental.

Definition:Not having a regular or established order, method or pattern; characterized by lack of uniformity or consistency.

Example:The band's performance was so undichted that the crowd responded with boos rather than cheers.

Definition:Not rhythmic, lacking a regular beat or meter, or chaotic and disordered.

Example:He found the music piece to be unmusical and jarring to the ear.

Definition:Lacking in musicality, rhythm, or harmony; harsh-sounding.