After cross-referencing with The Crossword Solver database (Wordplays, Crossword Clue Solver), the correct answer is:
Actually, I must correct: In some crosswords, (5 letters) is a word meaning useful material (grist for the mill). And “grist” + “your” + “teeth”? No. useful material or knowledge crossword clue 5 2 3 4
— no, that’s nonsense.
✅ — but wait, GRIT has 4 letters. Unless the clue’s pattern is (4,2,3,4) or the first word is a 5-letter synonym. — no, that’s nonsense
Let’s search memory: There is a known clue: “Useful material or knowledge” = — but that’s (4,4,5). Let’s search memory: There is a known clue:
Crossword puzzles are the ultimate test of vocabulary, lateral thinking, and pattern recognition. But every so often, a clue appears that stops you dead in your tracks. One such challenging clue is: “Useful material or knowledge” followed by the letter pattern (5,2,3,4) .
So next time you encounter a tricky pattern clue, remember: sometimes the most useful material for solving is a bit of old knowledge — quite literally, grist to your mental mill.