1. The state or quality of being mysterious 
2. Something mysterious; a mystery

Derived forms: mysteriousnesses

• antigram
• Antigua
• Antigua and Barbuda
• Antiguan
• antihaemophilic factor
• antihaemophilic globulin
• antihemophilic factor
• antihemophilic globulin
• antihemorrhagic factor
• antiheretical
• antihero
• antihistamine
• antihypertensive
• antihypertensive drug
• antiknock
• antiknocking
• antilepton
• Antilles
• Antilocapra
• Antilocapra americana
• Antilocapridae
• antilog
• antilogarithm
• antilogy
• Antilope