Crossword Genius

Extremely useful information? (3)

Ross

I believe the answer is:

tip

I'm a little stuck... Click here to teach me more about this clue!

'information?' is the definition.
(thesaurus)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for tip that I've seen before include "lots of rubbish" , "Piece of useful advice" , "Empty" , "Topple; advice" , "Bonus" .)

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.