Group (U V W Y Z) - Spelling Practices

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(1) a. Syn. supersonic(ультразвуковой) supersonic; higher in frequency than the range of sound perceptible to the human ear
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(2) a. (бессознательное) lacking awareness; senseless; unaware
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(3) v. Syn. weaken(подорвать) weaken by wearing away base or foundation; injure or impair; dig a mine or tunnel beneath
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(4) a. (непросто) not easy; difficult; restless; disturbed by pain, anxiety
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(5) a. Syn. unequaled; unparalleled; peerless(непревзойденный) without equal or rival; unparalleled; peerless
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(6) a. Syn. selfless; self-forgetting(бескорыстной) selfless; self-forgetting; generous or altruistic
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(7) a. (вертикальном) in an erect position or posture; perpendicular; vertical, or nearly vertical; pointing upward
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(8) n. (урбанизации) social process whereby cities grow and societies become more urban
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(9) n. Syn. retribution; revenge(месть) punishment inflicted in return for an injury or an offense; retribution
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(10) a. Syn. defective; imperfect(порочный) by vice or defects; defective; imperfect; having the nature of vice; evil, immoral, or depraved