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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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ancient times, especially the times preceding the Middle Ages; extreme oldness | |
two or more things occurring at the same time by chance | |
tell someone confidently that something is true; guarantee; convince | |
utterly; not viewed in relation to other things or factors |
a male and female associated together; a pair who associate with one another | |
plants, such as wheat, maize, oats, and barley, that can be used to produce flour | |
stick fast; stick to firmly; be compatible or in accordance with | |
stick of colored wax or chalk, used for drawing |
a natural appearance of coloured light in the sky, that is usually seen nearest the Arctic or Antarctic | |
tell someone confidently that something is true; guarantee; convince | |
similar; in the same manner or to the same degree | |
two or more things occurring at the same time by chance |
rough; harsh; of low, common, or inferior quality | |
reproduction by parents of different races | |
trade; business; intellectual exchange or social interaction | |
a substance that prevents infection; a substance that restricts the growth of disease-causing microorganisms |
revoke; call off; omit or delete | |
tell someone confidently that something is true; guarantee; convince | |
similar; in the same manner or to the same degree | |
ancient times, especially the times preceding the Middle Ages; extreme oldness |
study of artifacts and relics of early humankind | |
wasting away; decrease in size; reduction in the functionality of an organ caused by disease | |
wise or keen; shrewd; with sharp intelligence | |
vessel; large cylindrical container |
a male and female associated together; a pair who associate with one another | |
money given as a guarantee or security | |
a natural appearance of coloured light in the sky, that is usually seen nearest the Arctic or Antarctic | |
suitable; modest.; honorable; meeting accepted standards |
theoretical; not concrete; not applied or practical; difficult to understand | |
support or prop up with or as if with a long narrow pillow or cushion | |
a scientist who studies living organisms | |
two or more things occurring at the same time by chance |
time sequence; an arrangement of events in time | |
suitable; modest.; honorable; meeting accepted standards | |
stick fast; stick to firmly; be compatible or in accordance with | |
difficult to analyze or understand |
struggle; rivalry; an act of competing as for a profit prize | |
sharp-cornered; consisting of an angle or angles; stiff in manner | |
migrate to and settle in; plant | |
trade; business; intellectual exchange or social interaction |