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Synonyms

boring

1 American  
[bawr-ing] / ˈbɔr ɪŋ /

adjective

  1. causing or marked by boredom; dull and uninteresting; tiresome: to have a boring time.

    a boring discussion;

    to have a boring time.
    Synonyms:
    tedious, tiresome, dull
boring 2 American  
[bawr-ing, bohr-] / ˈbɔr ɪŋ, ˈboʊr- /

noun

  1. Machinery.

    1. the act or process of making or enlarging a hole.

    2. the hole so made.

  2. Geology. a cylindrical sample of earth strata obtained by boring a vertical hole.

  3. borings, the chips, fragments, or dust produced in boring.

boring 1 British  
/ ˈbɔːrɪŋ /

noun

    1. the act or process of making or enlarging a hole

    2. the hole made in this way

  2. (often plural) a fragment, particle, chip, etc, produced during boring

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
boring 2 British  
/ ˈbɔːrɪŋ /

adjective

  1. dull; repetitious; uninteresting

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • boringly adverb
  • boringness noun

Etymology

Origin of boring1

First recorded in 1835–45; bore 1 + -ing 2

Origin of boring2

First recorded in 1400–50; bore 2 + -ing 1

Explanation

As an adjective boring describes something (or someone) that is tedious, dull, and lacking in interest. As a noun, boring refers to the act of drilling a hole, or the hole itself. When a geologist's powerful drill makes a boring into the earth, you can remove a sample and learn about the history of our planet just by seeing what's contained in the boring's layers. Of course, if you aren't interested in that kind of thing, you might find a two-hour lecture on the subject a bit boring.

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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.

When there was Covid and there were no fans in the stadium, it was pretty boring.

From BBC • Mar. 31, 2026

It’s also boring, which leads me to my last worry:

From The Wall Street Journal • Mar. 26, 2026

Others in Mid-City are adamantly opposed to tunnel boring deep under their historic homes.

From Los Angeles Times • Mar. 24, 2026

He’s also a widower who lost his wife not to some boring disease but in a way that only a real spitfire would go, by flipping her ATV.

From Salon • Mar. 23, 2026

More than likely, people have already done it, and that’s what got us to where we are right now—this sterile, boring, overly monitored lab.

From "The First State of Being" by Erin Entrada Kelly

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.