The most common and most likely answer to this crossword clue is the 8 letter word FEMINIST
I've seen this crossword clue in Financial Times
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More clues leading to the result FEMINIST
Buddy explains!
The straight part
We know that "Iron short skirt and submit, content to be invisible? Not she!/Iron short skirt and submit, content to be invisible? /Not she!" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case iron short skirt and submit, content to be invisible? not she!/iron short skirt and submit, content to be invisible? /not she! = feminist.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 FEMINIST mean?
FEMINIST noun- An advocate of feminism; a person who believes in bringing about the equality of the sexes (of women and men) in all aspects of public and private life
- A member of a feminist political movement
- Relating to or in accordance with feminism.