acknowledge faults or shortcomings or failing; "I apologized for being late"; "He apologized for the many typoes"
defend, explain, clear away, or make excuses for by reasoning; "rationalize the child's seemingly crazy behavior"; "he rationalized his lack of success"
showing a sense of guilt; "a guilty look"; "the hangdog and shamefaced air of the retreating enemy"- Eric Linklater
responsible for or chargeable with a reprehensible act; or marked by guilt; "guilty of murder"; "the guilty person"; "secret guilty deeds"; "a guilty conscience"; "guilty behavior"
feeling or expressing regret or sorrow or a sense of loss over something done or undone; "felt regretful over his vanished youth"; "regretful over mistakes she had made"; "he felt bad about breaking the vase"