IRRESPONSIBLE Synonyms: 48 Similar and Opposite Words

irresponsible

adjective

ˌir-i-ˈspän(t)-sə-bəl

as in reckless

having or showing a lack of concern for the consequences of one's actions it was irresponsible to go off and leave your baby unattended in an automobile

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Example Sentences

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Recent Examples of irresponsible There’s no way Dombrowski, who’ll one day go to the Hall of Fame as one of the savviest GMs in baseball history, could or would have competed with such an irresponsible offer. —

Bill Madden, New York Daily News, 24 Jan. 2026 But state leaders should understand that ignoring their needs is not only heartless, but fiscally irresponsible. —

Orlando Sentinel Editorial Board, The Orlando Sentinel, 23 Jan. 2026 Ignoring those costs would be irresponsible. —

Chris Bradley, Fortune, 21 Jan. 2026 And frankly, that is a lazy, uninspired, and irresponsible decision. —

Dieter Kurtenbach, Mercury News, 21 Jan. 2026 See All Example Sentences for irresponsible

Recent Examples of Synonyms for irresponsible

reckless

Adjective

Later that month, a reckless driver trying to flee police hit and killed a 28-year-old man.

— Francesca Pica, jsonline.com, 26 Jan. 2026
The Oceanside City Council recently revised their e-bike ordinance to allow law enforcement to confiscate e-bikes from reckless riders.

— Hannah Elsmore, San Diego Union-Tribune, 26 Jan. 2026