Crossword Genius

Very determined Armada man took ships (7)

Ross

I believe the answer is:

adamant

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

'very determined' is the definition.
(I've seen this in another clue)

'armada man took ships' is the wordplay.
'ADAMANT' is hidden in amongst the letters.
But, I'm not sure how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for adamant that I've seen before include "Imaginary rock" , "Inflexible: fabulously hard rock" , "Data man can be quite unyielding" , "Refusing to budge" , "Unpersuadable" .)

I've seen this clue in The Telegraph.
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