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inadvertent

American  
[in-uhd-vur-tnt] / ˌɪn ədˈvɜr tnt /

adjective

  1. unintentional.

    an inadvertent insult.

  2. not attentive; heedless.

    Synonyms:
    inattentive
  3. of, relating to, or characterized by lack of attention.

    Synonyms:
    negligent, careless, thoughtless

inadvertent British  
/ ˌɪnədˈvɜːtənt /

adjective

  1. failing to act carefully or considerately; inattentive

  2. resulting from heedless action; unintentional

"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

  • inadvertently adverb

Etymology

Origin of inadvertent

First recorded in 1645–55; abstracted from inadvertence, inadvertency

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.

With the substitution exposed, Fox claimed the error was inadvertent.

From Salon • Mar. 9, 2026

At a previous High Court hearing, lawyers for Matt Goodwin and his election agent Adam Rawlinson acknowledged some election leaflets had failed to include a "statutory imprint", something which constituted "inadvertent illegal practice".

From BBC • Feb. 25, 2026

No matter, many took his comments to be an inadvertent slip of the greatest secret in history.

From The Wall Street Journal • Feb. 22, 2026

Skims said in the statement that the error was inadvertent.

From Los Angeles Times • Jan. 22, 2026

Rahel ignored her and blew an inadvertent spit bubble.

From "The God of Small Things" by Arundhati Roy