- apology - an expression of regret at having caused trouble for someone; "he wrote a letter of apology to the hostess"
--1 is a kind of acknowledgment, acknowledgement
Derived forms: verb apologize1, verb apologise1, verb apologise2
- apology, apologia - a formal written defense of something you believe in strongly
--2 is a kind of defense, defence, vindication
Derived form: verb apologise1
- apology, excuse - a poor example; "it was an apology for a meal"; "a poor excuse for an automobile"
--3 is a kind of example, illustration, instance, representative