1. (adjective) held in check with difficulty

• smothered
• stifled
• strangled

1. (adjective) kept from public knowledge by various means

• burked
• hushed-up
• quelled
• quenched
• squelched
• unreleased

2. (adjective) manifesting or subjected to suppression

• silenced

3. (adjective) held in check with difficulty

• inhibited

1. (adjective) kept from public knowledge by various means

• publicised
• publicized