Crossword Genius

Rental is increased, we hear (4)

Ross

I believe the answer is:

hire

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

'rental' is the definition.
(thesaurus)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for hire that I've seen before include "Pay to use something" , "Rent, employ" , "Pay for temporary use" , "Employ (for wages)" , "Payment for use" .)

I've seen this clue in The Mirror.
Want a hint initially instead of a full solution? Install my app