Search Result for "unattackable": 
Wordnet 3.0

ADJECTIVE (1)

1. immune to attack; incapable of being tampered with;
- Example: "an impregnable fortress"
- Example: "fortifications that made the frontier inviolable"
- Example: "a secure telephone connection"
[syn: impregnable, inviolable, secure, strong, unassailable, unattackable]



WordNet (r) 3.0 (2006):

unattackable
    adj 1: immune to attack; incapable of being tampered with; "an
           impregnable fortress"; "fortifications that made the
           frontier inviolable"; "a secure telephone connection"
           [syn: impregnable, inviolable, secure, strong,
           unassailable, unattackable]