Your English writing platform
Discover LudwigSuggestions(5)
"crystal clear sky" is an acceptable and correct phrase in written English
You can use it to describe a sky that is clear and free from clouds or pollution. For example, "I stood outside and marveled at the crystal clear sky, the stars twinkling brightly above me."
Exact(3)
Above us, stars glittered in a peaceful, crystal clear sky.
However, as they left England the cloud broke and they found themselves without cover in a bright crystal clear sky.
Crystal clear sky and full sunshine, the air was completely free of the humidity and heat of summer and the temperature as perfect as an early autumn day can be.
Similar(57)
The colors are beautiful: purple pebbles, sparkling blue water, and crystal clear skies.
On this 9/11 anniversary, they want to make sure what really happened before and after the planes pierced those crystal clear skies on that awful morning.
These artistically-inclined visitors follow the lead of astronomers who've long valued the crystal clear skies for star gazing, both amateur and professional: The European Southern Observatory has set up shop in the Atacama precisely because the sky is almost guaranteed to be free of cloud cover -- not to mention far from pesky light pollution.
The previous day we had been pelted by sleet and hail before knee-deep snow on the final pass forced race organisers to cut the stage short, but now the air was still and the sun hung high in a crystal-clear sky, while me and my shadow got stuck in to a steep off-trail climb to a path some 500 metres above.
But the real thrill came as they approached New York in crystal-clear skies.
A rare set of factors in this arid lunar landscape – very little rainfall, crystal-clear skies, high altitudes of 2,410 to 4,270m and low-to-zero light pollution – have created an unparalleled stargazing haven.
A fireball appeared from out of the crystal clear blue sky over the southern Ural region in Russia.
We fell asleep under the crystal clear night skies, happily still waiting to see the aurora borealis.
More suggestions(2)
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com