Wordnet 3.0
ADJECTIVE (1)
1. 
 lacking justification or authorization; 
- Example: "desire for undue private profit"- Example: "unwarranted limitations of personal freedom"[syn: undue, unjustified, unwarranted]
WordNet (r) 3.0 (2006):
unjustified
    adj 1: lacking justification or authorization; "desire for undue
           private profit"; "unwarranted limitations of personal
           freedom" [syn: undue, unjustified, unwarranted]