Synonyms for blue moon
blue moon

Princeton's WordNet

1. blue moonnoun

   a long time

   "something that happens once in blue moon almost never happens"

Matched Categories

1. • Long Time

Suggested Resources

1. blue moon

   Song lyrics by blue moon -- Explore a large variety of song lyrics performed by blue moon on the Lyrics.com website.

How to pronounce blue moon?

How to say blue moon in sign language?

How to use blue moon in a sentence?

1. David Bennett:

   For me the Blue Moon was always the blue diamond of my career. I've never seen a more beautiful stone - its shape, colour and purity. It's a magical stone.

2. Henry Louis Mencken:

   Life without sex might be safer but it would be unbearably dull. It is the sex instinct which makes women seem beautiful, which they are once in a blue moon, and men seem wise and brave, which they never are at all. Throttle it, denaturalize it, take it away, and human existence would be reduced to the prosiac, laborious, boresome, imbecile level of life in an anthill.

3. Carreys Biden:

   But don't worry ! They say I'm eight points ahead. Poll numbers like that can only go wrong once in a blue moon.

4. David Bennett:

   The GIA (Gemological Institute of America) graded 400 blue diamonds and only four of the 400 were graded (fancy) vivid blue. So even amongst this extremely rare class of blue diamonds, to get one vivid blue, 12 carats, internally flawless, is once in a blue moon.

5. David Bennett:

   The market for vivid blue diamonds of this level, it's so rare. Each stone is individual, in a sense, the GIA (Gemological Institute of America) graded 400 blue diamonds and only four of the 400 were graded (fancy) vivid blue. So even amongst this extremely rare class of blue diamonds, to get one vivid blue, 12 carats, internally flawless, is once in a blue moon.