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Vocabulary Study Online By Level (VSOBL) is a Fast, Reliable, and Handy tool to prepare English exam vocabulary. (Available for all VIP accounts: US$2/Month). It has built-in word lists: 6000 IELTS words, 6000 TOEFL words, 5000 GRE words, and 3000 SAT words. You can load them by level with one click.
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preceding in time, importance, or urgency | |
relative importance; the property of being prominent; a standing out from the surface of something | |
the outer region of the Earth's atmosphere | |
not applicable; unrelated; having no connection with |
operate with one's hands; control or play upon people, forces artfully | |
unintentional omission or mistake; watchful care or management; supervision | |
one of some lines diverging from a point; a line of light or heat proceeding from a point | |
not applicable; unrelated; having no connection with |
an optical device that produces an intense monochromatic beam of coherent light | |
make impure; make unfit for or harmful to living things, especially by the addition of waste matter | |
the outer region of the Earth's atmosphere | |
most frequent or common; having superior power and influence |
obligatory; required or commanded by authority | |
prospect; view; belief about the future; an act of looking out | |
make laws; create or pass laws | |
music with a syncopated melody; musical form, predating jazz |
painting or drawing included in a book; copy or model that represents in a greatly reduced size | |
multiply, grow, or expand rapidly | |
rouse to impatience or anger; annoy; provoke | |
move into; intrude; enter by force in order to conquer or pillage |
mixed; mingled; consisting of several things; of diverse sorts; promiscuous; heterogeneous | |
obligatory; required or commanded by authority | |
open to view; not secret or hidden | |
move heavily or clumsily; cut down timber of |
make longer; draw out; lengthen | |
mainly; much greater in number or influence | |
prospect; view; belief about the future; an act of looking out | |
long-tailed gray-and-white songbird of the southern United States able to mimic songs of other birds |
muddy; swampy; resembling a marsh; boggy; soft and watery | |
man, human being; liable or subject to death; accompanying death | |
relative importance; the property of being prominent; a standing out from the surface of something | |
a mineral that contains metal that is valuable enough to be mined |
prospect; view; belief about the future; an act of looking out | |
muddy; swampy; resembling a marsh; boggy; soft and watery | |
operate with one's hands; control or play upon people, forces artfully | |
make longer; draw out; lengthen |
push; driving force; an act of propelling | |
open to view; not secret or hidden | |
possibility of future success; belief about future | |
muddy; swampy; resembling a marsh; boggy; soft and watery |