-ious 1st and 2nd sheet words +

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Across
  1. 5. extremely unpleasant
  2. 6. doubting, or not to be relied on
  3. 7. gradually harmful
  4. 8. apt to study a lot
Down
  1. 1. wicked or criminal
  2. 2. a lot of
  3. 3. repetitive and boring
  4. 4. extremely comfortable and elegant
  5. 6. underhanded, sneaky, deceitful