Exempt (6)
'exempt' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for immune that I've seen before include "Exempt from obligation" , "safe from a particular disease" , "Inoculated or exempt" , "Exempt or protected" , "Secure against, infection say" .)
'exempt' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for excused that I've seen before include "Granted exemption" , "Made allowances for" , "Given permission to leave, or pardoned" , "Exonerated" , "Exempted from task" .)