something said or written in defense or justification of what appears to others wrong, or of what may be liable to disapprobation; justification; as, tertullian's apology for christianity.-an acknowledgment intended as an atonement for some improper or injurious remark or act; an admission to another of a wrong or discourtesy done him, accompanied by an expression of regret.-anything provided as a substitute; a makeshift.-to offer an apology.