1. In a monotone
   "'Come in,' she said tonelessly"

See also: toneless

• Arkansas kingbird
• Arkansas River
• Arkansawyer
• arkose
• arles
• Arlington
• arm
• arm bone
• arm candy
• arm exercise
• arm in arm
• arm pad
• arm's length
• arm-twisting
• armada
• Armadillidiidae
• Armadillidium
• armadillo
• Armageddon
• Armagnac
• armament
• armamentarium
• Armand Jean du Plessis
• Armata Corsa
• armature