1. impervious to light, so that images cannot be seen through it
2. dull and without luster
3. obscure and unintelligible in meaning
4. impenetrable by a specified form of radiation
Summary: Hermione goes back in time with one mission: to kill Tom Riddle before he ever comes to power. A difficult task, correct? An impossible one, she realizes, as a love between them grows stronger than anything she has ever known. Now Hermione has a choice to make. Will she condemn the Wizarding world to almost certain destruction, or will she take the life of the one boy she has ever loved?