The most common and most likely answer to this crossword clue is the 8 letter word UNIVERSE
I've seen this crossword clue in Independent
U
N
I
V
E
R
S
E
More clues leading to the result UNIVERSE
- College poem: it contains everything
- Everything from Gatti at last seen in a French poem
- Sphere of activity of one dipping into a French poem?
- Everything in place for learning lines
- Yours truly in a French rhyme? Heavens
- Place to learn language, including verb and everything
- All that is offered by Oxbridge poets?
- Academic poetry is everything
- Creation of poetry at university?
- Everything there is unsettling in revues
Buddy explains!
The straight part
We know that "All that is" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case all that is = universe.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does UNIVERSE mean?
UNIVERSE proper noun- Our universe, the sum of everything that exists in the cosmos, including time and space itself.
- The sum of everything that exists in the cosmos, including time and space itself.
- An entity similar to our universe; one component of a larger entity known as the multiverse.
- Everything under consideration.
- A sample taken from the population.
- An imaginary collection of worlds.
- (films) A collection of stories with characters and settings that are less interrelated than those of sequels or prequels.
- A whole world, in the sense of perspective or social setting.