More certain fears (5)

I believe the answer is:

safer

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

'more certain' is the definition.
(I've seen this in another clue)

'fears' is the wordplay.
'fears' can be anagrammed to 'SAFER'.
Though, I am not sure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for safer that I've seen before include "More secure" , "Less adventurous" , "Less risky" , "Fears (anag)" , "Less hazardous" .)

I've seen this clue in The Irish News.

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