bleach

1 of 2

verb

bleached; bleaching; bleaches

transitive verb

1
: to remove color or stains from
2
a
: to make whiter or lighter especially by physical or chemical removal of color
bleach clothing
the sun had bleached her hair
b
: to remove, make dull, or sanitize as if by removing color
bleaches colonialism of its genocidal legacyH. A. Giroux

intransitive verb

1
: to grow white or lose color
2
of coral : to expel symbiotic zooxanthellae exposing a white skeleton
bleachable adjective

bleach

2 of 2

noun

1
: the act or process of bleaching
2
: a preparation used in bleaching
3
: the degree of whiteness obtained by bleaching

Examples of bleach in a Sentence

Verb bones bleached white by the sun She bleached her hair blonde.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
Fabrics that should never be bleached include: leather, spandex, wool, and silk. Kait Hanson, Southern Living, 26 May 2025 The dentist will apply a protective gel or a rubber shield to the gums, and then a bleaching agent will be applied. Lana Barhum, Verywell Health, 15 May 2025
Noun
Chlorine Bleach Chlorine bleach, which is traditional liquid bleach and sometimes referred to as household bleach, works by using the active ingredient sodium hypochlorite. Kait Hanson, Southern Living, 26 May 2025 The actor, who is Black and gay, previously alleged that two men jeered at him before pouring bleach onto his body and tying a rope around his neck on Jan. 29, 2019. Ashleigh Fields, The Hill, 23 May 2025 See All Example Sentences for bleach

Word History

Etymology

Verb

Middle English blechen, going back to Old English blǣcan, going back to Germanic *blaikjan- (whence also Middle Dutch bleken "to bleach, whiten," Old High German bleichen "to make pale," Old Icelandic bleikja "to bleach"), weak verb derivative of *blaik- "bright" (whence Old English blāc "bright, shining, pale," Old Saxon blēk, Middle Dutch bleec, Old High German bleih, Old Icelandic bleikr), going back to dialectal Indo-European *bhlei̯ǵ-, whence also Old Church Slavic blĭštati sę, bliscati sę "to sparkle, glitter," bliskŭ "flash (of lightning)," Lithuanian blỹksti "to become white or pale," bliskė́ti, bliškė́ti "to shine, sparkle"

Note: See also note at black entry 1.

Noun

derivative of bleach entry 1.

First Known Use

Verb

before the 12th century, in the meaning defined at transitive sense 1

Noun

1746, in the meaning defined at sense 1

Time Traveler
The first known use of bleach was before the 12th century

Browse Nearby Words

Cite this Entry

“Bleach.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bleach. Accessed 1 Jun. 2025.

Kids Definition

bleach

1 of 2 verb
1
: to remove color or stains from
2
: to make whiter or lighter
3
: to grow white : lose color

bleach

2 of 2 noun
1
: the act or process of bleaching
2
: a chemical used in bleaching

More from Merriam-Webster on bleach

Last Updated: - Updated example sentences
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