Crossword Genius

How four in five is resolute? (9)

Ross

I believe the answer is:

ironbound

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

This could be a double definition.

'how four in five' is the first definition.
The definition suggests an adjective which matches the answer.

'resolute?' is the second definition.
Both the answer and definition are adjectives.
Maybe you can see an association between them that I can't see?

'is' is the link.

Can you help me to learn more?

(Another definition for ironbound that I've seen is " inflexible".)

I've seen this clue in the Sydney Morning Herald.
Want a hint initially instead of a full solution? Install my app