Problem

Fill in the blank using a word opposite to the keyword "vigorous".

Despite his____attempts to lift the heavy box, he realized he needed help to move it.

Clue

Feeble this word suggests weakness and lack of strength.

Sumup

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Choice-A

Choice A is incorrect because "Energetic" is similar in meaning to "vigorous," meaning full of energy or vitality, and is therefore not opposite in meaning.

{sbBox2-wrong} energetic

Choice-B

Choice B is incorrect because "Robust" is also similar to "vigorous," meaning strong or healthy, not an opposite.

{sbBox2-wrong} robust

Choice-C

Choice C is incorrect because "Strong" is closely related to "vigorous," indicating physical power or strength, so it does not fit as an opposite.

{sbBox2-wrong} strong

Choice-D

Choice D is correct because "Feeble" is the opposite of "vigorous," meaning weak or lacking in strength. This choice fits the sentence context, as "feeble attempts" suggest he was not able to lift the heavy box effectively, highlighting his need for help.

{sbBox2-correct} feeble

Sumup

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Answer

Choice D

Sumup

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