Enter a clue or pattern or both:
The Clue
Frowned-on things: Var. (5 letter answer)
The Answer
TABUS
Tags
Notes
The answer TABUS is so rare that it appears less than once every 2500 puzzles.
Related Clues
No-nos
Restraints discussed by Freud
They're off-limits: Var.
Definition
TABU as a noun:
1. (taboo, tabu) = a prejudice (especially in Polynesia and other South Pacific islands) that prohibits the use or mention of something because of its sacred nature
2. (taboo, tabu) = an inhibition or ban resulting from social custom or emotional aversion