unresponsive

adjective

un·​re·​spon·​sive ˌən-ri-ˈspän(t)-siv How to pronounce unresponsive (audio)
Synonyms of unresponsivenext
: not responsive
The patient was unresponsive.
an infection unresponsive to antibiotics
an unresponsive bureaucracy
Although they are able to locate their own food at two weeks of age, fledgling robins will still piteously beg handouts from their increasingly unresponsive father.Millard H. Sharp
unresponsively adverb
staring unresponsively
unresponsiveness noun

Examples of unresponsive in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Jack Burnell-Williams, who served in the Household Cavalry Mounted Regiment and walked with the late monarch’s coffin during her funeral in September 2022, was found unresponsive shortly after at army barracks in London and was pronounced dead. Bailey Richards, PEOPLE, 11 Jan. 2026 The Los Angeles County Fire personnel responded to a call about an unresponsive male at Carter's house and pronounced him dead on the scene. Wesley Stenzel, Entertainment Weekly, 10 Jan. 2026 Los Angeles County Sheriff’s Department deputies arrived at the actor’s Duarte home Friday evening after receiving a call about an unresponsive male, the Associated Press reported. Los Angeles Times, 10 Jan. 2026 The 5-year-old girl had been found unresponsive in a fourth-floor bedroom by firefighters. Riley Rourke, CBS News, 10 Jan. 2026 See All Example Sentences for unresponsive

Word History

First Known Use

1768, in the meaning defined above

Time Traveler
The first known use of unresponsive was in 1768

Browse Nearby Words

Cite this Entry

“Unresponsive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unresponsive. Accessed 14 Jan. 2026.

Medical Definition

unresponsive

adjective
un·​re·​spon·​sive ˌən-ri-ˈspän(t)-siv How to pronounce unresponsive (audio)
: not responsive (as to a stimulus or treatment)
an unresponsive ulcer
unresponsiveness noun

More from Merriam-Webster on unresponsive

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!