Hard English Words: Study Tools

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acumen  Speak Example sentences
1
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a. pertaining to the structure or movement of the earth's crust ,of or pertaining to construction or architecture
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n. shrewdness shown by keen insight, a tapering point
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n. any factor that defines a system and determines (or limits) its performance
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n. one of two basic subdivisions of a tribe, one of two (approximately) equal parts
bowdlerize  Speak Example sentences
2
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v. edit by omitting or modifying parts considered indelicate
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n. a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers
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v. put down by force or intimidation, make subservient, force to submit or subdue
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n. the generally accepted perspective of a particular discipline at a given time
enfranchise  Speak Example sentences
3
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n. officer in the (ceremonial) bodyguard of the British monarch
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n. the generally accepted perspective of a particular discipline at a given time
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n. a powerful circular current of water, the shape of something rotating rapidly
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v. grant freedom to; as from slavery or servitude, grant voting rights
evanescent  Speak Example sentences
4
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a. done with very great haste and without due deliberation, extremely steep
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n. synthesis of compounds with the aid of radiant energy (especially in plants)
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a. tending to vanish like vapor, soon passing out of sight, memory, or existence; quickly fading or disappearing
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n. the branch of physics concerned with the conversion of different forms of energy
feckless  Speak Example sentences
5
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v. edit by omitting or modifying parts considered indelicate
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n. synthesis of compounds with the aid of radiant energy (especially in plants)
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n. a blood-red color, confidently optimistic and cheerful
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a. generally incompetent and ineffectual, not fit to assume responsibility
hemoglobin  Speak Example sentences
6
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v. take without referencing from someone else's writing or speech; of intellectual property
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v. represent falsely, be in contradiction with
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n. a blood-red color, confidently optimistic and cheerful
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n. function primarily to transport oxygen from the lungs to the body tissues
incontrovertible  Speak Example sentences
7
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a. necessarily or demonstrably true, impossible to deny or disprove
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a. excessively mournful, looking or sounding sad and dismal
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n. a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers
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v. estimate the value of, insert words into texts, often falsifying it thereby
infrastructure  Speak Example sentences
8
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n. unwillingness to get involved in or influence other people's activities
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n. the branch of engineering that deals with things smaller than 100 nanometers (especially with the manipulation of individual molecules)
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n. the basic structure or features of a system or organization
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n. one of two basic subdivisions of a tribe, one of two (approximately) equal parts
metamorphosis  Speak Example sentences
9
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n. a mature sexual reproductive cell having a single set of unpaired chromosomes
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n. the branch of engineering that deals with things smaller than 100 nanometers (especially with the manipulation of individual molecules)
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n. any factor that defines a system and determines (or limits) its performance
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n. a complete change of physical form or substance especially as by magic or witchcraft
nanotechnology  Speak Example sentences
10
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n. the side of a right triangle opposite the right angle
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n. a mature sexual reproductive cell having a single set of unpaired chromosomes
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n. a trope that involves incongruity between what is expected and what occurs
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n. the branch of engineering that deals with things smaller than 100 nanometers (especially with the manipulation of individual molecules)