Grumble
Hum
Hum noun - A monotonous sound like that of an insect in motion.
Mutual synonyms
How words are described
| low | low grumble | low hum |
| high-pitched | high-pitched grumble | high-pitched hum |
Cite this Source
Hum and Grumble. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/grumble/hum
Grumble & Hum. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/grumble/hum>.
Hum or Grumble. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/grumble/hum.
Google Ngram Viewer shows how "grumble" and "hum" have occurred on timeline