Difficult IELTS Words - Group 11

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n. hot and humid; pertaining to the tropics, the equatorial region between 23 degrees north and south

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n. brass musical instrument with brilliant tone

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n. tumor; abnormal growth of tissue resulting from uncontrolled, progressive multiplication of cells

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n. noise, as made by a crowd; riot or uprising

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v. write under something else; subscribe; assume financial responsibility for; guarantee against failure

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a. not due; not yet owing; not just, proper, or legal; ; excessive

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n. act of keeping up, or maintaining; maintenance

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n. factor; something that is likely to vary; changeable; inconstant

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n. craft, especially one larger than a rowboat, designed to navigate on water

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v. annoy; disturb, especially by minor irritations; be a mystery or bewildering to