Step 1: Analyze the word "Ecstasy."
"Ecstasy" refers to an overwhelming feeling of great happiness or joyful excitement.
Step 2: Evaluate the options.
(a) "Polite" refers to having good manners, which is unrelated to "ecstasy."
(b) "Despair" is the correct opposite of "ecstasy," as despair refers to a state of hopelessness or sadness, the opposite of happiness or excitement.
(c) "Disperse" means to scatter or spread, which is not the opposite of "ecstasy."
(d) "Resemblance" refers to similarity, which is unrelated to "ecstasy."
Step 3: Final Answer
The correct answer is (b) Despair.
Final Answer: The correct answer is (b) Despair.