Here are the possible solutions for when doubled a number puzzle clue
Answer
Clue
Relevancy
ken
Clue
When doubled, a number puzzle
Definition
to know
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
