1. irresponsible - Noun
2. irresponsible - Adjective
Nor responsible; not liable or able to answer fro consequences; innocent.
Not to be trusted; unreliable.
Source: Webster's dictionaryI think it would be absolutely reckless and irresponsible for anyone to try and break up Microsoft. Steve Ballmer
When I was young and irresponsible, I was young and irresponsible. George W. Bush
The sea - this truth must be confessed - has no generosity. No display of manly qualities - courage, hardihood, endurance, faithfulness - has ever been known to touch its irresponsible consciousness of power. Joseph Conrad
[Iran, Libya and Syria] are irresponsible states, which must be disarmed of weapons [of] mass destruction, and a successful American move in Iraq as a model will make that easier to achieve. Ariel Sharon
Perhaps it is better to be irresponsible and right, than to be responsible and wrong. Winston Churchill
It is an irresponsible adult that creates enmity because of a disagreement that arises between two children. Nigerian Proverb