Crossword Genius

Fear and chagrin turned out to be profound (3-8)

Ross

I believe the answer is:

far-reaching

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

'profound' is the definition.
Both the definition and answer are adjectives. Perhaps they are linked in a way I don't understand?

'fear and chagrin turned out' is the wordplay.
'and' says to put letters next to each other.
'turned out' is an anagram indicator.
'fear'+'chagrin'='fearchagrin'
'fearchagrin' is an anagram of 'FAR-REACHING'.

'to be' is the link.

Can you help me to learn more?

(Other definitions for far-reaching that I've seen before include "Wiith extensive effect" , "Widespread" , "Widely-applicable" , "Wide-ranging" .)

I've seen this clue in The Mirror.
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