- 1[countable] a quietly spoken word or words She answered in a faint murmur. Murmurs of “Praise God” went around the circle.
- 2[countable] (also murmurings [plural]) a quiet expression of feeling a murmur of agreement/approval/complaint He paid the extra cost without a murmur (= without complaining at all). polite murmurings of gratitude
- 3(also murmuring) [singular] a low continuous sound in the background the distant murmur of traffic
- 4[countable] (medical) a faint sound in the chest, usually a sign of damage or disease in the heart a heart murmur