The phrase "begging to be excused" implies a sense of regret or remorse for something done, and a desire to be forgiven. Antonyms for this phrase could include "unapologetic," "unrepentant," "defiant," "blase," or "unconcerned." These words convey a lack of remorse or a refusal to acknowledge any wrongdoing. Another antonym could simply be "forgiven," indicating that the person in question has already been granted absolution and no longer feels the need to beg for forgiveness. While "begging to be excused" implies a sense of vulnerability or submission, its antonyms suggest a range of attitudes from indifference to defiance.