let·​down | \ ˈlet-ˌdau̇n How to pronounce letdown (audio) \

Definition of letdown

 (Entry 1 of 2)

1a : discouragement, disappointment his latest novel is a letdown
b : a slackening of effort : relaxation
2 : the descent of an aircraft or spacecraft to the point at which a landing approach is begun
3 : a physiological response of a lactating mammal to suckling and allied stimuli whereby previously secreted milk from the acini is expelled into ducts and drawn through the nipple

let down

let down; letting down; lets down

Definition of let down (Entry 2 of 2)

transitive verb

1 : to allow to descend gradually
2a : to fail to support felt her parents had let her down
b : disappoint the plot lets you down at the end afraid of letting his father down

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Examples of letdown in a Sentence

Noun the museum exhibit was just so-so, and we returned home with a vague sense of letdown the eagerly anticipated new movie starring our favorite actor turned out to be a big letdown Verb with my poor performance I really felt that I had let my teammates down
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Recent Examples on the Web: Noun Florida, meanwhile, expects to heed Mullen’s message and avoid any kind of letdown after being Georgia for the first time since 2016. Creg Stephenson | Cstephenson@al.com, al, "Florida-Arkansas live stream (11/14): How to watch college football online, TV, time," 14 Nov. 2020 For players who grew up watching the likes of LeBron James, Anthony Davis, Kevin Durant and Zion Williamson revel in their respective draft nights, this year’s remote setup stands to be something of a letdown. Jeff Mcdonald, ExpressNews.com, "San Antonio Spurs’ draft pick will face unique hurdles," 14 Nov. 2020 Friday's hearing — attended by more than a dozen reporters from media outlets nationwide — was a letdown of sorts. Bruce Vielmetti, Milwaukee Journal Sentinel, "Illinois judge orders Kyle Rittenhouse extradited to Kenosha County to face homicide charges," 30 Oct. 2020 The primary letdown is, unfortunately, the finale — when the production’s reach finally exceeds its grasp. Matthew J. Palm, orlandosentinel.com, "‘Bright Young Things’ overreaches a bit, but the creativity delights | Review," 5 Oct. 2020 Reds manager David Bell tried to guard against the letdown. John Fay, The Enquirer, "Pressure off, Cincinnati Reds fall to Minnesota Twins 7-3," 27 Sep. 2020 Besides the obvious letdown of not having Matt Chapman for the playoffs. Susan Slusser, SFChronicle.com, "A’s Mailbag: So many playoff questions, such as: What happens to ‘extra’ starters in 1st round?," 23 Sep. 2020 Their latest letdown came against their biggest rival, too. Mark Heim | Mheim@al.com, al, "No. 23 Iowa State-Kansas live stream (10/31): How to watch college football online, TV, time," 31 Oct. 2020 The skinny: The Tigers avoided a Week 6 letdown with Vince Holland’s 18-yard field goal in the final four seconds. Matt Goul, cleveland, "Hoban remains No. 1, Copley and Keystone jump into cleveland.com football Top 25," 5 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'letdown.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of letdown


1768, in the meaning defined at sense 1a


12th century, in the meaning defined at sense 1

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Time Traveler for letdown

Time Traveler

The first known use of letdown was in the 12th century

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Statistics for letdown

Last Updated

25 Nov 2020

Cite this Entry

“Letdown.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/letdown. Accessed 30 Nov. 2020.

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More Definitions for letdown


How to pronounce let down (audio)

English Language Learners Definition of letdown

: something that is not as good as it was expected to be


let·​down | \ ˈlet-ˌdau̇n How to pronounce letdown (audio) \

Kids Definition of letdown


\ ˈlet-ˌdau̇n \

Medical Definition of letdown

 (Entry 1 of 2)

: a physiological response of a lactating mammal to suckling and allied stimuli whereby increased intramammary pressure forces previously secreted milk from the acini and finer tubules into the main collecting ducts from where it can be drawn through the nipple
\ -ˈdau̇n How to pronounce let down (audio) \

Medical Definition of let down (Entry 2 of 2)

: to release (formed milk) within the mammary gland or udder

More from Merriam-Webster on letdown

Thesaurus: All synonyms and antonyms for letdown

Nglish: Translation of letdown for Spanish Speakers

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