Explanation:

- "Wham" is often used to describe a loud, sudden noise, typically from a heavy blow or impact.

- Option 1: Horrible

- This means something very unpleasant or horrific, which does not relate to "wham."

- Option 2: Movement

- Refers to the act of moving; lacks any association with the sound conveyed by "wham."

- Option 3: Mournful

- Describes a feeling of sadness; not relevant to the impact sound of "wham."

- Option 4: Sound of a sudden heavy blow

- This is the closest description of "wham," matching its typical usage.