noun, plural apologies.
1.
a written or spoken expression of one's regret, remorse, or sorrow for having insulted, failed, injured, or wronged another:
He demanded an apology from me for calling him a crook.
2.
a defense, excuse, or justification in speech or writing, as for a cause or doctrine.
3.
(initial capital letter, italics) a dialogue by Plato, centering on Socrates' defense before the tribunal that condemned him to death.
4.
an inferior specimen or substitute; makeshift:
The tramp wore a sad apology for a hat.