mellow out

verb

To become mellow or to soften in intensity (such as a smell, emotion or sound), or to change from uptight to relaxed.

Similar
mellowmelt
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Meanings

verbmellow out (third-person singular simple present mellows out, present participle mellowing out, simple past and past participle mellowed out)

present singular third person mellows out · participle present mellowing out · participle past mellowed out · past mellowed out

  1. informalintransitiveTo become mellow or to soften in intensity (such as a smell, emotion or sound), or to change from uptight to relaxed.

Synonyms & antonyms

verbbecome more relaxed, easygoing, or genial

Similar
mellowmelt
Broader
change
Also see
mellowmelt

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

mellow out. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/mellow%20out

MLA

“mellow out.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mellow%20out. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “mellow out,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/mellow%20out.

Source: mellow out on Wiktionary, CC BY-SA 4.0.