Difficult IELTS Words - Group 3

[Esc] (1)
a. greatly desired

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n. ornamental tuft or ridge on the head of animal; plume used as decoration on top of helmet; top, as of a hill or wave

[Esc] (3)
n. standard of judging; any approved or established rule or test

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v. pollute; make dirty or spotty

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v. reduce from an inflated condition; release contained air or gas from

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v. reduce level; lower grade of something

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v. part; separate or disunite; disengage

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v. ruin; lay waste; destroy; make desolate

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n. length of straight line passing through the center of a circle and connecting two points on the circumference

[Esc] (10)
v. dwindle; reduce; make smaller or less or to cause to appear so