impossible

adjective
im·​pos·​si·​ble | \(ˌ)im-ˈpä-sə-bəl \

Definition of impossible 

1a : incapable of being or of occurring

b : felt to be incapable of being done, attained, or fulfilled : insuperably difficult an impossible deadline

2a : extremely undesirable : unacceptable

b : extremely awkward or difficult to deal with the actor was impossible on the set

Keep scrolling for more

Other Words from impossible

impossibleness noun

Examples of impossible in a Sentence

It's impossible to predict the future. The heavy rain made it impossible to see the road. It's physically impossible for a child to lift that much at once. It's virtually impossible to book a flight just before the holiday. These math problems are impossible! You refuse to help and then criticize me for not doing it right? You're impossible! My boss is just an impossible woman.
See More

Recent Examples on the Web

Their job is next to impossible, like draining a lake with a teacup. Steve Harrison, charlotteobserver, "Charlotte's recycling 'is broken.' Could your plastic, paper be headed for a landfill?," 2 July 2018 If tariffs are expanded to cover Chinese imports worth $250bn, let alone $450bn, avoiding consumer products such as clothes and electronics will become impossible. The Economist, "A full-blown trade war between America and China looks likely," 21 June 2018 Thank you for all the love and support and to our midwives @lindseymeehleis and @courtneykellis for helping us find the support our family needs during this impossible time. Mariah Haas, Fox News, "Bode Miller thanks fans for 'love and support' after 19-month-old daughter dies," 13 June 2018 Thank you for all the love and support and to our midwives @lindseymeehleis and @courtneykellis for helping us find the support our family needs during this impossible time. CBS News, "911 call reveals frantic effort to save Bode Miller's daughter Emeline," 13 June 2018 Despite China not coming particularly close to qualifying for the 2018 World Cup, the Chinese presence at the World Cup is impossible to miss. Kevin Draper, New York Times, "The World Cup Final’s Unconventional Start Time," 13 July 2018 Will must go to near-impossible lengths to get into the building and save his family. Bill Goodykoontz, azcentral, "'Skyscraper:' Big, dumb and kind of fun, thanks to Dwayne Johnson and Neve Campbell," 12 July 2018 Increasing parking minimums could make some projects financially impossible, many developers say — or, more likely, increase the housing costs of buyers and renters. Caitlin Mccabe, Philly.com, "Philadelphia has 2,172,896 parking spaces. So how come you're still circling the block?," 12 July 2018 And losing hair is a sign of sickness that’s impossible to overlook. Bradley J. Fikes, sandiegouniontribune.com, "Hair regrowth treatment now being tested in women by La Jolla's Histogen," 12 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'impossible.' 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 impossible

14th century, in the meaning defined at sense 1a

History and Etymology for impossible

Middle English, from Anglo-French & Latin; Anglo-French, from Latin impossibilis, from in- + possibilis possible

Keep scrolling for more

Learn More about impossible

Share impossible

Statistics for impossible

Last Updated

11 Nov 2018

Look-up Popularity

Time Traveler for impossible

The first known use of impossible was in the 14th century

See more words from the same century

Keep scrolling for more

More Definitions for impossible

impossible

adjective

English Language Learners Definition of impossible

: unable to be done or to happen : not possible

: very difficult

of a person : very difficult to deal with : very irritating or annoying

impossible

adjective
im·​pos·​si·​ble | \im-ˈpä-sə-bəl \

Kids Definition of impossible

1 : incapable of being or of occurring : not possible The noise makes it impossible to concentrate.

2 : very difficult These math problems are impossible!

3 : very bad or unpleasant She is impossible to deal with.

Other Words from impossible

impossibly \ -​blē \ adverb

impossible

adjective
im·​pos·​si·​ble

Legal Definition of impossible 

: not possible : incapable of being done, attained, or fulfilled a party's performance is impossible in part

Keep scrolling for more

Comments on impossible

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

WORD OF THE DAY

to clear from alleged fault or guilt

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

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!