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Synonyms

winnow

American  
[win-oh] / ˈwɪn oʊ /

verb (used with object)

  • winnows,
    present (3rd person singular)
  • winnowed,
    past participle,  past
  • winnowing
    present participle
  1. to free (grain) from the lighter particles of chaff, dirt, etc., especially by throwing it into the air and allowing the wind or a forced current of air to blow away impurities.

  2. to drive or blow (chaff, dirt, etc.) away by fanning.

  3. to blow upon; fan.

  4. to subject to some process of separating or distinguishing; analyze critically; sift.

    to winnow a mass of statements.

  5. to separate or distinguish (valuable from worthless parts) (sometimes followed byout ).

    to winnow falsehood from truth.

  6. to pursue (a course) with flapping wings in flying.

  7. to fan or stir (the air) as with the wings in flying.


verb (used without object)

  • winnows,
    present (3rd person singular)
  • winnowed,
    past participle,  past
  • winnowing
    present participle
  1. to free grain from chaff by wind or driven air.

  2. to fly with flapping wings; flutter.

noun

  1. a device or contrivance used for winnowing.

  2. an act of winnowing.

winnow British  
/ ˈwɪnəʊ /

verb

  1. to separate (grain) from (chaff) by means of a wind or current of air

  2. (tr) to examine in order to select the desirable elements

  3. archaic (tr) to beat (the air) with wings

  4. rare (tr) to blow upon; fan

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

    1. a device for winnowing

    2. the act or process of winnowing

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

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Conjugated Forms

Present

Past

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Etymology

Origin of winnow

before 900; Middle English win ( d ) wen (v.), Old English windwian, derivative of wind wind 1

Explanation

To winnow is to blow something away until you are left with what you want, like grain from chaff. If you only want your favorite people to attend your party, you will need to winnow down the guest list from 300 to 30. To winnow is to use air to “separate the wheat from the chaff" — literally or figuratively. If a coach winnows down the top NBA draft picks to his number one choice, then he'll focus his negotiations on that player. Chances are, if you encounter the word winnow on a given day, it is probably not in the literal context of grain.

Keep Reading on Vocabulary.com

Vocabulary lists containing winnow

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

As the job market cools, they are both raising the bar for entry-level jobs and seeking more consistent criteria to winnow the candidate pool.

From The Wall Street Journal May 13, 2026

Ahead of Iowa, Ms. Haley had been looking to winnow the field.

From New York Times Jan. 21, 2024

The point of the process is to winnow the field to a manageable size, and winnowed the field was.

From Slate Jan. 20, 2024

Sound Transit’s governing board has started to focus on a future Lynnwood-to-Everett line, by voting Thursday to winnow the possible station sites in busy neighborhoods.

From Seattle Times Jun. 23, 2023

How was she to winnow down her countless questions to a mere troika?

From "The Long-Lost Home" by Maryrose Wood

Then the RNA winnows the contending olfactory-receptor genes down to one.

From Science Daily Dec. 21, 2023

It progressively winnows out starlight, and stacks frame after frame to allow any faint planetary light to accumulate and eventually be seen.

From Scientific American Feb. 10, 2021

Brant was one of those Goldberg wanted to serve; a team of 100 readers winnows down the submissions, but she makes the final determinations.

From Washington Post Jul. 16, 2019

Evolution is blind and evolutionary progress is a misnomer; natural selection carves and winnows according to the ever-changing status quo.

From Salon Mar. 17, 2019

It winnows through the stones as we watch, bubbling into the undeserving earth.

From "Water for Elephants" by Sara Gruen

What’s the point of watching a game that can be winnowed down to a series of inputs and outputs?

From Salon Apr. 13, 2026

But its allure is being winnowed away by the noxious Russian thistle, the spread of which is entirely the fault of the ceaseless and unforgiving prairie wind.

From The Wall Street Journal Nov. 17, 2025

Per the Hollywood Reporter, Merit’s measly weekly viewer numbers soon winnowed down further, to 17,000.

From Slate Oct. 14, 2025

Even at these lower-than-recommended levels, her appetite soon winnowed and she began to shed weight.

From Los Angeles Times Nov. 5, 2024

The sieving winnowed out tiny pebbles and other impurities.

From "A Single Shard" by Linda Sue Park

But there’s an upside to gradually winnowing a lifetime of possessions.

From The Wall Street Journal Aug. 15, 2026

Ten stocks survived this winnowing process, and they are listed in ascending order of their volatility.

From MarketWatch Jun. 6, 2026

The winnowing of victims has been the result of byzantine legal procedures, strict vetting and tightened eligibility rules, which victims told ProPublica and the Inquirer took them by surprise.

From Salon Apr. 24, 2026

Ask DePetro why someone might prefer his content to the nightly news, and he’ll gesture toward the rapidly winnowing media industry.

From Slate Feb. 23, 2026

We worked through the days and in the twilight getting in the rice, and then we worked three more days draining the fields and clearing them, and then three more nights sifting and winnowing.

From "Nectar in a Sieve" by Kamala Markandaya

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