Difficult IELTS Words - Group 7

[Esc] (1)
v. trouble; disturb; render uneasy; interfere with; vex

[Esc] (2)
n. act of being altered or changed; a change of the DNA sequence within a gene

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a. of one's birth; accompanying or dating from one's birth; native

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a. relating to ships, sailors, or navigation

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n. a small or narrow area, a special area of demand for a product or service

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n. colorless nonmetallic element of atomic number 7, tasteless and odorless, symbol N

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n. homesickness; bittersweet longing for things of past.

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n. central or essential part around which other parts are gathered or grouped; core

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n. act of neglecting to perform an action one has an obligation to do; something omitted or neglected

[Esc] (10)
v. swing back and forth with a steady, uninterrupted rhythm; vibrate pendulum like; waver