Sounds like silliness

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Across
  1. 4. Dominant wager (8)
  2. 6. Underage guided group (8)
  3. 8. Nonsense bovine (8)
  4. 9. Buddy, small version (7)
Down
  1. 1. Pro verdict debaters (7)
  2. 2. Former ordinary (7)
  3. 3. Shun the thing (7)
  4. 5. Attempt vigor (7)
  5. 6. Periodical close to game bird (11)
  6. 7. Waiting line hinder (8)