Question

a feeling that something bad is about to happen
a transparent ghostly figure
causing horror or disgust
fantastically ugly or absurd
strange and frightening
relating to hell or the underworld
a sign or the impression that something bad is going to happen
causing one to lose courage or confidence
to anticipate with great apprehension or fear
a ghost or specter; a figment of the imagination
giving a sense of evil or harm
likely to cause harm or danger; conveys a sense of a threat

1. the monster had a grotesque appearance, with twisted limbs and an oversized mouth filled with sharp teeth. it looked almost human, but something about it was horribly distorted. people could hardly bear to look at it. grotesque means:
2. legends spoke of an infernal place beneath the earth where fire burned endlessly. the air was thick with smoke, and screams echoed from the dark pits. it was said to be a realm ruled by demons. infernal means:
3. the storm clouds rolled in, and an ominous darkness spread across the sky. birds suddenly stopped singing, and the wind howled through the trees. everyone knew these were signs that something bad was about to happen. ominous means:
4. the sailor swore he saw a phantom ship rising from the fog. its sails were tattered, and its crew looked like shadows moving across the deck. just as quickly as it appeared, the ghostly vessel vanished into the mist. some insisted it was just their imagination, but others swore it was real. phantom means:
5. the villain gave a sinister grin as he locked the door behind him. his eyes gleamed with a dark intent, making everyone uneasy. no one doubted that he was planning something evil. sinister means:
6. the dogs menacing growl grew louder as the stranger approached the gate. its teeth bared and body stiff, it looked ready to attack. the stranger froze, realizing the animal posed a real threat. menacing means:
7. speaking in front of the entire school was an unnerving experience for ella. her hands shook, and she struggled to keep her voice steady. she could feel every pair of eyes on her, and it made her lose her confidence. unnerving means:

Explanation:

1. The description of the monster's distorted and hard - to - look - at appearance matches "fantastically ugly or absurd".
2. The description of the place with fire, smoke, and demons relates to "relating to hell or the underworld".
3. The storm clouds and signs of bad things to come match "a sign or the impression that something bad is going to happen".
4. The description of the ship that seems like a ghost and may be a figment of imagination matches "a ghost or specter; a figment of the imagination".
5. The villain's evil - looking grin and dark intent match "giving a sense of evil or harm".
6. The dog's behavior indicating it may attack and pose a threat matches "likely to cause harm or danger; conveys a sense of a threat".
7. Ella's experience of losing confidence while speaking in front of school matches "causing one to lose courage or confidence".

Answer:

1. Fantastically ugly or absurd
2. Relating to hell or the underworld
3. A sign or the impression that something bad is going to happen
4. A ghost or specter; a figment of the imagination
5. Giving a sense of evil or harm
6. Likely to cause harm or danger; conveys a sense of a threat
7. Causing one to lose courage or confidence