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 Daring to dream of anything more felt selfish and indulgent, so a four-day solo wellness retreat in another country seemed downright irresponsible. —

Sarah Khan, Condé Nast Traveler, 21 Apr. 2026 Dennis is an irresponsible pet owner and too lazy to take his dog for obedience training. —

Abigail Van Buren, Boston Herald, 19 Apr. 2026 Their little brother Dante is an irresponsible party boy, tangled up with a ruthless local gang. —

Los Angeles Times, 16 Apr. 2026 Some will still argue Artemis II was irresponsible, while others will laud NASA for its smart risk management. —

Chris Young, Interesting Engineering, 15 Apr. 2026 See All Example Sentences for irresponsible

Recent Examples of Synonyms for irresponsible

reckless

Adjective

Feeling restless and reckless, Michael (LJ Benet) is drawn to a hard-rocking local band that is secretly a quartet of young vampires that is literally sucking the life out of the community.

— Frank Rizzo, Variety, 27 Apr. 2026
The vast majority of drivers stop speeding after one or two camera violations, but a small and extremely reckless group of super speeders flagrantly endanger themselves and everyone around them.

— Mike Flynn, New York Daily News, 25 Apr. 2026