sing ‧ song /ˈsɪŋsɒŋ $ -sɒːŋ/ BrE AmE noun
1 . [singular] a way of speaking in which your voice keeps rising and falling:
I recognized her soft singsong immediately.
2 . [countable] British English an informal occasion when people sing songs together SYN singalong American English :
We had a bit of a singsong later.
—singsong adjective :
a singsong voice