1 : a regular, repeated pattern of sounds or movements [count] • The music has a fast/slow/steady rhythm. [=beat] • African/Caribbean rhythms — often followed by of • the rhythm ofthe poetry • the rhythm of his breathing • the rhythm of the tides[noncount] • the composer’s use of jazz rhythm • He can't play/dance in rhythm. = He has no sense of rhythm. [=he cannot play/dance at the correct speed to stay with the rhythm of the music]
2 [count] : a regular, repeated pattern of events, changes, activities, etc. • She enjoyed the rhythms of country life. • Travel can disrupt your body’s daily/biological/circadian rhythm.