censored (adj.)

• arcane
• cabalistic
• classified
• close
• closed
• concealed
• cryptic
• dark
• enigmatic
• esoteric
• hermetic
• hidden
• hush-hush
• latent
• mysterious
• occult
• restricted
• secret
• smothered
• stifled
• suppressed
• ulterior
• undisclosed
• unrevealed
• unspoken
• untellable
• untold
• unutterable
• unuttered