Phrase with no repeated letters (like each of this puzzle’s seven longest answers) Crossword Clue

Phrase with no repeated letters (like each of this puzzle’s seven longest answers) Crossword Clue. This clue appeared on the most recent puzzle Sunday Premier Crossword which is a weekly crossword puzzle that only posts on Sundays as you can probably guess by the name. It must be noted though, that even why the Sunday Premier crossword appears only once a week, it is very difficult and has more clues than a regular crossword so it's very probable that you will stumble upon clues that you can't solve.

PHRASE WITH NO REPEATED LETTERS (LIKE EACH OF THIS PUZZLE’S SEVEN LONGEST ANSWERS) Answer:

• ISOGRAM