noun
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the ninth letter in the Greek alphabet (Ι, ι), a vowel or semivowel, transliterated as i or j
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(usually used with a negative) a very small amount; jot (esp in the phrase not one or an iota )
Etymology
Origin of iota
1600–10; < Latin iōta < Greek iôta < Semitic; compare Hebrew yōdh yod
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Not an iota of care for Mathew Shurka, “an amicus who received conversion therapy as a child,” who is a living example of the unbearable price paid for framing talk therapy as nothing but speech.
From Slate • Apr. 3, 2026
The measles, mumps, and rubella, or MMR, vaccine does not contain an iota of fetal cells.
From Salon • Aug. 26, 2025
But even if she’d been driving a fire truck in the Palisades, it wouldn’t have made an iota of difference in the disaster.
From Los Angeles Times • Jan. 24, 2025
And Unison previously argued that negotiations had "not moved one iota" since it told Cosla it would move towards strike action.
From BBC • Jul. 24, 2024
Quicker and quicker, greedy, wanting to encompass everything, to miss not one iota of pleasure.
From "Nectar in a Sieve" by Kamala Markandaya
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
