noun (1)
light·​en·​er | \ ˈlīt-nər How to pronounce lightener (audio) , ˈlī-tᵊn-ər \
plural lighteners

Definition of lightener

 (Entry 1 of 2)

: a substance that makes something lighter in color especially : a chemical substance used to lighten hair or skin When my hair started getting darker in my early teens, my mother handed me a bottle of spray-on lightener to help me stay blond. — Cybill Shepherd


noun (2)
plural lighteners

Definition of lightener (Entry 2 of 2)

: one that makes something lighter in mood, weight, etc. When cameras were not rolling, his off-beat humor made him a mood lightener among friends and colleagues, and he could play whatever role was asked of him.— Emma Stickgold

First Known Use of lightener

Noun (1)

1889, in the meaning defined above

Noun (2)

circa 1611, in the meaning defined above

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The first known use of lightener was circa 1611

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Cite this Entry

“Lightener.” Dictionary, Merriam-Webster, Accessed 5 Jul. 2020.

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