Vocabulary

'Equivocal' originates from Latin roots meaning 'equal voice', describing something that is deliberately ambiguous or open to multiple interpretations. Option A, 'unambiguous', is wrong because it is an antonym of equivocal. Options C and D are incorrect as they are unrelated to clarity or interpretation.

"Mendacious" is defined as being untruthful or prone to lying, making B the correct choice. Option A, "truthful", is the exact opposite of mendacious, representing an antonym rather than a synonym. Options C and D are incorrect because they describe unrelated personality traits.

The word 'ephemeral' describes something that lasts for a very short time, making 'short-lived' the correct definition. A diagram for this topic isn't available yet — the worked example below walks the same reasoning step by step.

• !Option A, 'permanent,' is incorrect because it is an antonym of the word, representing something that lasts indefinitely rather than briefly.
• !Option A, 'rare,' is incorrect because it functions as an antonym, describing something that is highly uncommon or difficult to find.
• !Option A, 'cooperative,' is incorrect because it is an antonym, representing someone who is willing to work easily with others.
• !Option A, 'unambiguous', is wrong because it is an antonym of equivocal.
• !Options C and D are incorrect because they describe unrelated personality traits.

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