Step 1: Understanding the Concept:
The objective is to identify the synonym of the word "impromptu" within the given context.
Step 2: Detailed Explanation:
The word "impromptu" is an adjective or adverb that describes something done without being planned, organized, or rehearsed.
Ravi spoke without preparation.
- Option (1) "Quickly" refers to speed, which is not the same as lack of preparation.
- Option (2) "Unrehearsed" means not practiced or prepared in advance, making it the perfect synonym.
- Option (3) "Incoherently" means in a way that is hard to understand, which is a possible result of no preparation, but not the definition of the word itself.
- Option (4) "Impressively" refers to a high-quality performance.
Step 3: Final Answer:
The meaning of impromptu is "Unrehearsed".