Main entry: irresponsible
Definition: showing lack of care for consequences
Usage: behaved like an irresponsible idiot; hasty and irresponsible action
Antonyms: responsible
Definition: worthy of or requiring responsibility or trust; or held accountable
Antonyms: run
Definition: be operating, running or functioning
Antonyms: work
Definition: exert oneself by doing mental or physical work for a purpose or out of necessity
Antonyms: busy
Definition: actively or fully engaged or occupied
Antonyms: compact
Definition: closely and firmly united or packed together
Antonyms: tight
Definition: closely constrained or constricted or constricting
Antonyms: reliable, dependable
Definition: worthy of reliance or trust