Hard TOEFL Words - Group 8

[Esc] (1)
n. danger; a threat or the act of threatening; something that is a source of danger; threaten; intimidate

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v. combine; unite

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n. an odorless, colorless, flammable gas, CH4, the major constituent of natural gas

[Esc] (4)
v. be all mixed up or jumbled together;

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n. beast; ugly creature; someone or something that is abnormally large and powerful

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n. act of being altered or changed; a change of the DNA sequence within a gene

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a. careless; inattentive

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n. cell that is specialized to conduct nerve impulses

[Esc] (9)
n. belief or opinion

[Esc] (10)
n. descendant