Step 1: Understanding the word "buoyant."
The word "buoyant" refers to something or someone being cheerful or optimistic. It is often used to describe a happy or upbeat attitude.
Step 2: Explanation of options.
- (A) Hasty: This means quick or impulsive, which is not the meaning of "buoyant."
- (B) Cheerful: Correct. "Buoyant" means cheerful, indicating a happy and optimistic attitude.
- (C) Smart: "Smart" refers to intelligence or appearance, which is not related to "buoyant."
- (D) Cruel: This means harsh or mean, which is the opposite of "buoyant."
Step 3: Conclusion.
Therefore, the correct meaning of "buoyant" in this context is cheerful.
Final Answer: Cheerful.