The most common and most likely answer to this crossword clue is the 14 letter word TRANSCENDENTAL
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More clues leading to the result TRANSCENDENTAL
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The straight part
We know that "supernatural" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case supernatural = transcendental.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 TRANSCENDENTAL mean?
TRANSCENDENTAL noun- A transcendentalist.
- (Platonism, Christian theology, usually in the plural) Any one of the three transcendental properties of being: truth, beauty or goodness, which respectively are the ideals of science, art and religion and the principal subjects of the study of logic, aesthetics and ethics.
- Concerned with the a priori or intuitive basis of knowledge, independent of experience.
- Superior; surpassing all others; extraordinary; transcendent.
- Mystical or supernatural.
- (of a number or an element of an extension field) Not algebraic (i.e., not the root of any polynomial that has positive degree and rational coefficients).
- (of an extension field) That contains elements that are not algebraic.