Definitions

1. verb

to express regret or remorse for a wrong done or an offense caused

“After realising her mistake, she apologised to her friend.”

2. verb

to express regret or remorse for something that has happened or been done

“He apologised for the delay in finishing the project.”

3. noun

an expression of regret or remorse for a wrong done or an offense caused

“His apology was accepted by the other party.”

4. noun

a formal statement expressing regret or remorse for something that has happened or been done

“The company issued an official apology for the environmental damage.”