Synonyms of classified

2 Syllables

backstairs, secret, hush-hush, graded, backdoor, rated

3 Syllables

junctural, private, restricted

4 Syllables

confidential, huggermugger, supersecret, organized, catalogued, chronographic, chronologic, chronometric, chronoscopic

5 Syllables

under-the-table, chronometrical, horological, horometrical, chronological