Home › Idiom: "Once in a blue moon" means:
Idiom: "Once in a blue moon" means:
Answer & Solution
Correct answer: A.
1. "Blue moons" are rare lunar events (second full moon in a calendar month).
2. The idiom means "very rarely" or "almost never".
_Source: TSICET 2024 PYQ Q.184 (Shift 1, Idioms)_