Hum and Undertone

Hum

Hum noun - A monotonous sound like that of an insect in motion.

Undertone and hum are semantically related In some cases you can use "Undertone" instead a noun "Hum".

Undertone

Undertone noun - A subdued emotional quality underlying an utterance; implicit meaning.
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Synonyms for Undertone

Hum and undertone are semantically related in suggestion topic. Sometimes you can use "Hum" instead a noun "Undertone".

How words are described

constant constant hum constant undertone
slight slight hum slight undertone
dark dark hum dark undertone
subtle subtle hum subtle undertone
Other adjectives: ominous, mechanical, eerie, creepy.
Cite this Source
Undertone and Hum. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/hum/undertone
Hum & Undertone. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/hum/undertone>.
Undertone or Hum. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/hum/undertone.
Google Ngram Viewer shows how "hum" and "undertone" have occurred on timeline