Main - Chief

[irmamar]

Are main and chief interchangeable in this sentence?

The chief/main characteristics of these forts were...

Thanks. :)

[Perikles]

Yes. :)

[irmamar]

Thanks. :)

[Alex]

I didn't know "chief" had that meaning too.

good to know!

[JPablo]

That's right, per Random House, (the adjective definitions)
chief
–adj.
7. highest in rank or authority: the chief priest; the chief administrator.
8. most important; principal: his chief merit; the chief difficulty.

[Alex]

Thanks a lot JP! :)

[JPablo]

You're welcome Alex! :)

[CrOtALiTo]

What does forts means?

I don't find anything about that word in the dictionary.

Thank you.

[Rusty]

fortalezas = forts

[CrOtALiTo]

Thank you for the advice.