Most trusting Parisian is on sodium drip (7)
I believe the answer is:
naivest
'most trusting' is the definition.
Both the definition and answer are superlative adjectives. Maybe there's a link between them I don't understand?
'parisian is on sodium drip' is the wordplay.
'parisian is' becomes 'est' ('is' in French).
'on' is a charade indicator (letters next to each other).
'sodium' becomes 'NA' (chemical symbol).
'drip' becomes 'IV' (intravenous drip).
'na'+'iv'='naiv'
'est' put after 'naiv' is 'NAIVEST'.
Can you help me to learn more?
(Other definitions for naivest that I've seen before include "Most unsophisticated" , "very green" , "Most open" , "far from the most wise?" , "Least sophisticated" .)