Adjective

(en adjective)

(lb) Free from care; unworried, without anxiety.

*:

*:Good-humored, easy, and careless , he presided over his whale-boat as if the most deadly encounter were but a dinner, and his crew all invited guests.

Not concerned or worried (about).

*

*:"He was here," observed Drina composedly, "and father was angry with him." ¶ "What?" exclaimed Eileen. "When?" ¶ "This morning, before father went downtown." ¶ Both Selwyn and Lansing cut in coolly, dismissing the matter with a careless word or two; and coffee was served—cambric tea in Drina's case.

Not giving sufficient attention or thought, especially concerning the avoidance of harm or mistakes.

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Adjective

(en adjective)

Answerable for an act performed or for its consequences; accountable; amenable, especially legally or politically.

* {{quote-magazine, date=2012-03

, author=William E. Carter, Merri Sue Carter , title=The British Longitude Act Reconsidered , volume=100, issue=2, page=87 , magazine= citation , passage=But was it responsible governance to pass the Longitude Act without other efforts to protect British seamen? Or might it have been subterfuge—a disingenuous attempt to shift attention away from the realities of their life at sea.}}

Parents are responsible for their child's behaviour.

Capable of responding to any reasonable claim; able to answer reasonably for one's conduct and obligations; capable of rational conduct.

Involving responsibility; involving a degree of personal accountability on the part of the person concerned.

She has a responsible position in the firm.

Being a primary cause or agent of some event or action; capable of being credited for something, or of being held liable for something.

Who is responsible for this mess?

Able to be trusted; reliable; trustworthy.

He looks like a responsible guy.