adv. in an irresponsible manner; "he acted irresponsibly"

adj. free of restraints or rules; "freewheeling foolishness"; "the versatility of his poetic freewheeling style"

adj. showing lack of care for consequences; "behaved like an irresponsible idiot"; "hasty and irresponsible action"

adj. marked by defiant disregard for danger or consequences; "foolhardy enough to try to seize the gun from the hijacker"; "became the fiercest and most reckless of partisans"-Macaulay; "a reckless driver"; "a rash attempt to climb Mount Everest"

adj. carelessly failing to exercise proper caution; "an incautious step sent her headlong down the stairs"

adj. not worthy of reliance or trust; "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant"

adj. characterized by neglect and undue lack of concern; "negligent parents"; "negligent of detail"; "negligent in his correspondence"

adj. not worthy of trust or belief; "an untrustworthy person"

adj. not to be trusted

adj. taking heed; giving close and thoughtful attention; "heedful of the warnings"; "so heedful a writer"; "heedful of what they were doing"

adj. worthy of or requiring responsibility or trust; or held accountable; "a responsible adult"; "responsible journalism"; "a responsible position"; "the captain is responsible for the ship's safety"; "the cabinet is responsible to the parliament"

adj. taking responsibility for one's conduct and obligations; "trustworthy public servants"