Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
In its fullest meaning, this suggests that if anything can go wrong it will, and the use of the typically Irish surname means that bad luck is also inevitable for many Irish people.
Source: https://www.irishcentral.com/culture/luck-irish-explained-good-fortune