Hum
Hum noun - A monotonous sound like that of an insect in motion.
Mutual synonyms
Cite this Source
Sighing and Hum. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/hum/sighing
Hum & Sighing. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/hum/sighing>.
Sighing or Hum. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/hum/sighing.
Google Ngram Viewer shows how "hum" and "sighing" have occurred on timeline