English dictionary



Hint: Wildcards can be used multiple times in a query.

English noun: blue moon

1. blue moon (time) a long time


SamplesSomething that happens once in blue moon almost never happens.


Broader (hypernym)age, long time, years


Domain usagecolloquialism









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk