Perhaps the clue is from a specific crossword puzzle that has been indexed. Let me search for "useful material or knowledge" on crossword solver websites..
Let's reconsider the definition "Useful material or knowledge". Synonyms for useful material: , AID , HELP , TOOL . Synonyms for knowledge: LORE , DATA , INFO . useful material or knowledge crossword clue 5 2 3 4
In this article, we will explore the meaning of this idiom, its origin, how to use it, and why it is a classic crossword answer. What Does "Grist to the Mill" Mean? Perhaps the clue is from a specific crossword
Often used for "Useful thing" or "Valuable quality". TOOL . Synonyms for knowledge: LORE
But “useful material or knowledge” could be — too long.
Let's consider . WEALTH OF NATIONS ? (6, 2, 7)