Wordnet 3.0
NOUN (1)
1. 
 a native or inhabitant of Tunisia; 
ADJECTIVE (2)
1. 
 of or relating to the city of Tunis or its residents; 
- Example: "Tunisian markets"2. 
 of or relating to Tunisia or its inhabitants; 
- Example: "Tunisian archeological sites"
WordNet (r) 3.0 (2006):
Tunisian
    adj 1: of or relating to the city of Tunis or its residents;
           "Tunisian markets"
    2: of or relating to Tunisia or its inhabitants; "Tunisian
       archeological sites"
    n 1: a native or inhabitant of Tunisia