The most common and most likely answer to this crossword clue is the 9 letter word INVERSION
I
N
V
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S
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O
N
More clues leading to the result INVERSION
- Subjective report on hip turning around
- Change of word order in reading
- Popular edition getting everything topsy-turvy
- Popular kind of
- Fashionable edition turning up
- Trendy translation making change to the usual order
- Regularly sign report in reverse
- A change of word order during reading
- Reversal of order in account
Buddy explains!

The straight part
We know that "in reverse" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case in reverse = inversion.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 INVERSION mean?
INVERSION noun- The action of inverting.
- Being upside down, in an inverted state.
- Being in a reverse sequence, in an inverted state.
- The move of one pitch in an interval up or down an octave.
- The reversal of an interval.
- The reversal of the pitch contour.
- The reversal of a pitch class succession, such as a contrapuntal line or melody.
- The subtraction of pitch classes in a set from twelve, which maps intervals onto their complements with respect to 0, and preserves interval classes, symbolized IX (X being the transposition that is inverted.).
- A segment of DNA in the context of a chromosome that is reversed in orientation relative to a reference karyotype or genome
- An increase of air temperature with increase in altitude (the ground being colder than the surrounding air). When an inversion exists, there are no convection currents and wind speeds are below 5 knots. The atmosphere is stable and normally is considered the most favorable state for ground release of chemical agents.
- (grammar) Deviation from standard word order by putting the predicate before the subject. It takes place in questions with auxiliary verbs and in normal, affirmative clauses beginning with a negative particle, for the purpose of emphasis.
- An operation on a group, analogous to negation.
- Homosexuality, particularly in early psychoanalysis.