As adjectives the difference between irresponsible and wreckless
is that irresponsible is lacking a sense of responsibility; incapable of or not chargeable with responsibility; unable to respond to obligation while wreckless is without causing or suffering a wreck or wreckless can be .
As a noun irresponsible
is someone who is not responsible.
irresponsible
English
Adjective
(
en adjective)
Lacking a sense of responsibility; incapable of or not chargeable with responsibility; unable to respond to obligation.
Not responsible; not subject to responsibility; not to be held accountable, or called into question.
Noun
(
en noun)
Someone who is not responsible.
References
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wreckless
English
Etymology 1
Adjective
(
en adjective)
Without causing or suffering a wreck.
Etymology 2
Adjective
(head)