Adore guns - terribly risky (9)
I believe the answer is:
dangerous
'risky' is the definition.
(similar in meaning)
'adore guns terribly' is the wordplay.
'terribly' is an anagram indicator.
'adore'+'guns'='adoreguns'
'adoreguns' anagrammed gives 'DANGEROUS'.
(Other definitions for dangerous that I've seen before include "posing a threat" , "High-risk" , "Pope: 'A little learning is a . . . . . . . . . thing'" , "menacing" , "Harmful, injurious" .)