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

Other Words from impossible Synonyms & Antonyms Example Sentences Learn More about impossible

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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.

Recent Examples on the Web

Black holes are almost impossible to see directly, so that would explain why dark matter has remained so elusive for so long. — Avery Thompson, Popular Mechanics, "Scientists Rule Out Hawking Theory for Source of Dark Matter," 4 Apr. 2019 For Austin, choosing a favorite detail is impossible. — Shoko Wanger, House Beautiful, "The Bold Patterns in This House Are Kaleidoscopic In the Best Way," 29 Mar. 2019 Six years ago, Bob Parsons did something that sounds almost impossible. — Brian Costa, WSJ, "When $50,000 for Golf Clubs Isn’t Too Much," 8 Mar. 2019 Struggling with mental health is hard enough on its own, but doing so in the public eye, seems pretty much impossible. — Carolyn Twersky, Seventeen, "Justin Bieber Comes Clean In an Intense Instagram Post and Says He's “Been Struggling A Lot”," 11 Mar. 2019 Intelligent audio filtering Trying to hold a video or audio call through wind and rain can make communication impossible. — Mark Hachman, PCWorld, "Watch the Qualcomm Snapdragon 855's best new features in action," 6 Dec. 2018 There are impossible transactional obstacles in asking... — Richard A. Epstein, WSJ, "‘On Freedom’ Review: Nudged to Be Free," 27 Feb. 2019 Without an affordable home, a majority of these households face impossible choices between paying rent and putting food on their table, buying medications, or saving for a rainy day. — Diana Budds, Curbed, "Elizabeth Warren doubles down on affordable housing legislation," 11 Dec. 2018 Artemis has grounded Agamemnon’s naval war party on its way to Troy, and a mutinous crew is ready to kill his family, leaving the king agonizing over an impossible choice: killing his child, or seeing his family killed. — Gary Thompson, Philly.com, "Think these movies are too gory? The Greek myths they're based on are worse," 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.