Here are the possible solutions for nine by nine number puzzle clue
Answer
Clue
Relevancy
precinct
Clue
The "Nine-Nine" of TV's "Brooklyn Nine-Nine"
Definition
a space, esp. an enclosed one, around a building (e.g. a cathedral, college, etc.)
sudoku
Clue
Nine-by-nine number puzzle
(Usually) nine-by-nine numbers puzzle
four
Clue
Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)
Definition
the cardinal number next above three
meta
Clue
Puzzle-within-a-puzzle puzzle
Definition
(US) concerned with cultural conventions; (of an artistic work) self-referential
amy
Clue
___ Santiago (Melissa Fumero's "Brooklyn Nine-Nine" character)