Wordnet 3.0
ADJECTIVE (1)
1. 
 uttered in a monotonous cadence or rhythm as in chanting; 
- Example: "their chantlike intoned prayers"- Example: "a singsong manner of speaking"[syn: chantlike, intoned, singsong]
WordNet (r) 3.0 (2006):
chantlike
    adj 1: uttered in a monotonous cadence or rhythm as in chanting;
           "their chantlike intoned prayers"; "a singsong manner of
           speaking" [syn: chantlike, intoned, singsong]