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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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make impure or unclean by contact or mixture; pollute; defile | |
soft edible body of such as mollusk | |
worsen; make worse or more troublesome | |
sour; water-soluble compounds having a sour taste; quality of being sarcastic, bitter, or scornful |
worsen; make worse or more troublesome | |
weave; interweave three or more strands | |
sequence; succession; continuous extent, succession, or whole | |
widen; grow broad or broader |
a natural appearance of coloured light in the sky, that is usually seen nearest the Arctic or Antarctic | |
sharing an edge or boundary; touching; neighboring | |
responsive to advise or suggestion; responsible to a higher authority; willing to comply with; agreeable | |
time each morning at which daylight first begins; beginning; start |
study; investigation; the process of breaking down a substance into its constituent parts | |
way or opening for entrance or exit place; passage by which a place may be reached; broad street | |
make impure or unclean by contact or mixture; pollute; defile | |
seek advice or information of; take into account; consider |
time each morning at which daylight first begins; beginning; start | |
unoriginal; derived from another source | |
something that completes or makes up a whole or brings to perfection | |
something taken for accepted as true without proof; taking over or taking possession of |
weave; interweave three or more strands | |
self-governing; not controlled by others or by outside forces; independent | |
critical review or commentary, especially one dealing with works of art or literature | |
seek advice or information of; take into account; consider |
soft edible body of such as mollusk | |
study of how objects move through the air or water | |
weave; interweave three or more strands | |
wonder; state of extreme surprise or wonder; astonishment |
tasting sour like acid; being or containing an acid | |
ultimate goal; the place to which one is going or directed | |
seek advice or information of; take into account; consider | |
time sequence; an arrangement of events in time |
a person authorized to act as a representative for another; deputy | |
migrate to and settle in; plant | |
scarcity; lack or shortage, especially of something essential to health | |
remote from civilization; left desolate or empty; abandoned |
remote from civilization; left desolate or empty; abandoned | |
worsen; make worse or more troublesome | |
something that completes or makes up a whole or brings to perfection | |
study; investigation; the process of breaking down a substance into its constituent parts |