irresponsible
/ˌɪɹ.ɪˈspɒn.sə.bəl/
Proposed by a contributor, not yet supported by evidence.
Also seen as: irresponsibles
Sense 1
Meaning · English
Lacking a sense of responsibility; performed or acting as though without responsibility; negligent.
Adjective
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
Someone who is not responsible.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “irresponsible” mean?
Lacking a sense of responsibility; performed or acting as though without responsibility; negligent.
Is “irresponsible” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.