Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
singsong is a noun, verb and adjective meaning "a regular and monotonous rising and falling intonation". It carries 5 recorded senses.
a regular and monotonous rising and falling intonation
uttered in a monotonous cadence or rhythm as in chanting
“their chantlike intoned prayers”
“a singsong manner of speaking”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for singsong come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.