lost

adjective
\ ˈlȯst \

Definition of lost

1 : not made use of, won, or claimed a lost opportunity
2a : no longer possessed a lost reputation
b : no longer known a lost tunnel
3 : ruined or destroyed physically or morally : desperate a lost soul
4a : taken away or beyond reach or attainment : denied regions lost to the faith
b : insensible, hardened lost to shame
5a : unable to find the way
b : no longer visible lost in the crowd
c : lacking assurance or self-confidence : helpless lost without his glasses
6 : rapt, absorbed lost in reverie
7 : not appreciated or understood : wasted their jokes were lost on me
8 : obscured or overlooked during a process or activity lost in translation
9 : hopelessly unattainable : futile a lost cause

Keep scrolling for more

Other Words from lost

lostness \ ˈlȯs(t)-​nəs \ noun

Synonyms & Antonyms for lost

Synonyms

gone, mislaid, misplaced, missing

Antonyms

owned, possessed, retained

Visit the Thesaurus for More 

Examples of lost in a Sentence

He was looking for his lost keys. Many have tried to find the ruins of the lost city. We took a wrong turn and got lost. Hold my hand. I don't want you to get lost. He has been trying to recapture his lost youth. The original music is lost to us forever.
See More

Recent Examples on the Web

Some spymasters in Washington viewed Moscow as a lost cause. Sam Walker, WSJ, "The Offbeat Genius of a Great American Spy," 26 Jan. 2019 Sharing an Instagram account with a lover sounds like a nightmare, but some lost souls are doing it, Emily Dreyfuss reports, who is now one of those souls. Casey Newton, The Verge, "Facebook should help us understand the link between political speech and violence," 23 Aug. 2018 Still, there’s only so much a birthday greeting can do to make up for a lost bag or late arrival, particularly when airlines want to steer clear of conversations that feel too personal. Lauren Zumbach, chicagotribune.com, "From birthday wishes for passengers to tracking baggage handler injuries, airlines tap big data to try to improve operations," 12 July 2018 Ramsey, the only family member at home, was unhurt but lost memorabilia. Richard Goldstein, New York Times, "Frank Ramsey, First Among ‘Sixth Men’ in the N.B.A., Dies at 86," 8 July 2018 White House press secretary Sarah Sanders blames the EU for those lost American jobs. Paula Reid, CBS News, "Dow falls amid trade fears as Harley-Davidson announces plan to move production," 25 June 2018 He was cooled down and iced but lost consciousness. Scott Springer, Cincinnati.com, "Springer: #StratmanStrong, Harrison community show the power of teamwork in preps sports," 21 June 2018 Once the matter is resolved, the movie deflates and doesn’t really have anywhere to go; in that period of taut unknowingness, a relationship comes to life that is all things at once: mother to daughter, lost soul to lost soul, friend to friend. Ty Burr, BostonGlobe.com, "‘Nancy’ presents a mother and child reunion that is — or maybe isn’t," 13 June 2018 Some of your more hysterical US commentators (uh, me) reacted to Trump’s election by writing off Paris’s 2 degree climate target as a lost cause. David Roberts, Vox, "The “Trump effect” threatens the future of the Paris climate agreement," 3 Dec. 2018

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

See More

First Known Use of lost

15th century, in the meaning defined at sense 1

History and Etymology for lost

past participle of lose

Keep scrolling for more

Learn More about lost

Statistics for lost

Last Updated

16 Feb 2019

Look-up Popularity

Time Traveler for lost

The first known use of lost was in the 15th century

See more words from the same century

Keep scrolling for more

More Definitions for lost

lost

adjective

English Language Learners Definition of lost

: unable to be found
: not knowing where you are or how to get to where you want to go : unable to find your way
: no longer held, owned, or possessed

lost

adjective

Kids Definition of lost

1 : unable to find the way a lost puppy
2 : unable to be found lost luggage
3 : not used, won, or claimed a lost opportunity
4 : no longer possessed or known a lost art long lost cousins
5 : fully occupied lost in thought
6 : not capable of succeeding a lost cause

lost

adjective

Legal Definition of lost

1 : not made use of, won, or claimed lost opportunity costs
2 : unintentionally gone out of or missing from one's possession or control
3 : ruined or destroyed physically also : in an unknown physical condition or location a lost ship

Keep scrolling for more

More from Merriam-Webster on lost

Rhyming Dictionary: Words that rhyme with lost

Thesaurus: All synonyms and antonyms for lost

Spanish Central: Translation of lost

Nglish: Translation of lost for Spanish Speakers

Britannica English: Translation of lost for Arabic Speakers

Comments on lost

What made you want to look up lost? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

excited commotion or publicity

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!