Difficult IELTS Words - Group 5

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n. a period of fourteen consecutive days

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n. remnant or trace of an organism of a past geologic age embedded and preserved in the earth crust.

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a. sparing; economical; costing little; inexpensive

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v. fill full; fill to the utmost capacity, as a vessel, a room; make full or complete

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v. open the mouth wide; yawn from sleepiness, weariness, or dullness

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n. dim or intermittent flicker or flash of light; faint glow; shimmer

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v. scrape gently; feed on growing grasses and herbage

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n. sand or gravel; rough, hard particles; coarse part of meal; grain, as oats or wheat

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v. search blindly or uncertainly; reach about uncertainly; feel one's way

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v. put at a disadvantage; tie up; hamper; prevent the progress