singsong

(noun) a regular and monotonous rising and falling intonation.

(noun) informal group singing of popular songs. Synonyms: singalong.

(verb) speak, chant, or declaim in a singsong.

(verb) move as if accompanied by a singsong. Example: "The porters singsonged the travellers' luggage up the mountain."

(adj) uttered in a monotonous cadence or rhythm as in chanting. Synonyms: chantlike, intoned. Examples: "Their chantlike intoned prayers." "A singsong manner of speaking."