Answer: droned

AnswerCrossword Clue
DRONEDSpoke monotonously
droneddeep humming sound
dronedto speak in a dull, monotonous tone
dronedDRONE, to make a monotonous humming sound
dronedto make a deep humming sound
DRONEDAbandoned inflection
DRONEDBored an audience
DRONEDTalked monotonously
DRONEDWent on and on ...
DRONEDTalked in a monotonous tone
DRONEDPlayed the bagpipes
DRONEDSpoke so as to put people to sleep
DRONEDWent on and on and ...
DRONEDUsed no inflection, maybe
DRONEDWasn't colorful
DRONEDUttered in a monotone
DRONEDWent on and on and on
DRONEDTalked, in a way.
DRONEDBuzzed.
DRONEDMade a buzzing sound.
DRONEDWent on monotonously.
DRONEDSpoke monotonously.
DRONEDHummed, as bees.
DRONEDHummed.
DRONEDUsed no modulation
DRONEDTalked in a monotone
DRONEDHummed dully
DRONEDTalked on and on and on . . .
DRONEDBuzzed
DRONEDHummed
DRONEDSpoke in a monotone
DRONEDTalked monotonously, with "on"