The correct answer is 'Adjective'. Key Points - Here, in the given above sentence, the underlined part "anguished" is used as an adjective. - As per the general rule, adjectives are words that describe the qualities or states of being of nouns. - Example: - The government has been ambiguous on this issue. - We need a dynamic expansion of trade with other countries. - Here, in the given above examples, 'ambiguous and dynamic' can be used as an adjective. - According to the explanation and example that are given above, 'Adjective' is the correct part of speech for the given above sentence.