inscrutable

难以捉摸的

Merriam-Webster's Word of the Day

2026-10-09

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Merriam-Webster's Word of the Day for October 9, 2026 is: inscrutable • in-SKROO-tuh-bul  • adjective Inscrutable means "not readily investigated, interpreted, or understood." It often describes things that are mysterious or difficult to comprehend. // His professor wore an inscrutable expression throughout the oral exam. See the entry > Examples: "The paper makes significant progress on an unresolved aspect of the inscrutable math equation that determines how the primes are distributed along the number line." — Joseph Howlett, Scientific American, 12 Aug. 2026 Did you know? Scrutinizing the inscrutable may be futile: even close scrutiny can fail to decipher it. Scrutinizing the scrutable, on the other hand, is likely to yield some understanding. All of these scrut- words have the same Latin root: scrutari, meaning "to search or examine." While scrutiny, scrutinize, and inscrutable all prove themselves useful in everyday discourse, English speakers don’t tend to call much on scrutable, which functions as a synonym of comprehensible.
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  • The word of the day for October 9th.

  • Today's word is inscrutable, spelled I-N-S-C-R-U-T-A-B-L-E.

  • Inscrutable is an adjective.

  • It means not readily investigated, interpreted, or understood.

  • It often describes things that are mysterious or difficult to comprehend.

  • Here's the word used in a sentence from Scientific American.

  • The paper makes significant progress on an unresolved aspect of the inscrutable math equation

  • that determines how the primes are distributed along the number line.

  • Scrutinizing the inscrutable may be futile.

  • Even close scrutiny can fail to decipher it.

  • Scrutinizing the scrutable, on the other hand, is likely to yield some understanding.

  • All of these scrut words have the same Latin root, scrutari, meaning to search or examine.

  • While scrutiny, scrutinized, and inscrutable all prove themselves useful in everyday discourse,

  • English speakers don't tend to call much on scrutable, which functions as a synonym of comprehensible.

  • With your word of the day, I'm Peter Sokolowski.

  • Visit merriamwebster.com today for definitions, wordplay, and trending word lookups.