Definition

A statement expressing regret, remorse, or acknowledgment of wrongdoing, typically offered to someone who has been hurt or offended. A genuine apology usually includes recognition of the harm caused and an attempt to make amends.

Example Usage

She gave a heartfelt apology for missing his birthday without calling.

Origin

From Greek 'apologia,' meaning a formal defense or justification, evolved to mean acknowledgment of fault by around the 16th century.

Source: Definition backfill (hailey)