inscrutable
Merriam-Webster's Word of the Day

inscrutable

B2Upper-intermediateOctober 9, 20261 min
  • Language learning

Merriam-Webster's Word of the Day for October 9, 2026 is: inscrutable \in-SKROO-tuh-bul\ adjective See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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Sentence 2 of 12 · 0:12

It's the word of the day for October 9th.

, .

Inscrutable is an adjective.

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B2

B2 · Upper-intermediate

Comfortable if you already follow TV news

A1 17%A2 50%B1 17%B2 8%C1 8%
  • 84% of the words are B1 or easier.
  • 96 words a minute: slow, clear speech.
  • 17 harder words (B2 and up) in the whole episode.

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0:00

It's 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.

0:26

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.

0:48

Scrutinizing the inscrutable may be futile. Even close scrutiny can fail to decipher it. the scruitable on the other hand is likely to yield some understanding. All of these scruit words have the same Latin root, scutari, meaning to search or examine. While scrutiny,

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