Definition of irresponsible in English:

irresponsible

Syllabification: ir·re·spon·si·ble
Pronunciation: /ˌi(r)rəˈspänsəb(ə)l
 
/

adjective

(Of a person, attitude, or action) not showing a proper sense of responsibility: [with infinitive]: it would have been irresponsible just to drive on
More example sentences
  • We are appalled at the irresponsible attitude you have displayed in condoning such anti-social behaviour.
  • I think they are evading their responsibility in a grossly irresponsible way.
  • And additional spending of that nature is seen to be fiscally irresponsible.
Synonyms
reckless, rash, careless, thoughtless, foolhardy, foolish, impetuous, impulsive, devil-may-care, delinquent, derelict, negligent, harebrained; unreliable, undependable, untrustworthy, flighty, immature

Derivatives

irresponsibility

Pronunciation: /-ˌspänsəˈbilitē/
noun
More example sentences
  • Without them, Bradford would disappear under an ocean of litter thanks to the thoughtlessness and irresponsibility of others.
  • But we're not here to talk about reckless paranoia and fiscal irresponsibility.
  • So I have vowed to become less tolerant of stupidity and irresponsibility than I have been.

irresponsibly

adverb
More example sentences
  • But what if the people, collectively, behave as irresponsibly as their elected officials are sometimes wont to do?
  • Unlike the greedy profiteers and corporate chieftains who actually made money on those stocks, we were not acting irresponsibly.
  • He acted irresponsibly, and way over the top for that sort of situation.

Definition of irresponsible in:

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Pronunciation: ˌintərˈnesēn
adjective
destructive to both sides in a conflict