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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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endurance; steady persistence in adhering to a course of action | |
out of houses; out of doors | |
not sufficient to meet a need; insufficient; poor | |
lack of ability, especially mental ability, to do something |
act of insulating; separation; state of being detached, from other objects | |
act of omitting; neglect, or failure to do something required by propriety or duty | |
moral corruption or contamination; invasion of the body which can lead to tissue damage and disease | |
confinement; putting someone in prison or in jail as lawful punishment |
rich and superior in quality; lavish | |
act of obstructing; any structure that makes progress difficult | |
a device consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer | |
investigation; search for knowledge |
lack of ability, especially mental ability, to do something | |
opposite; reversed in order, nature, or effect; turned upside down | |
confinement; putting someone in prison or in jail as lawful punishment | |
exactness; accuracy; the number of significant digits to which a value has been reliably measured |
a device consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer | |
during the current time; presently | |
endurance; steady persistence in adhering to a course of action | |
lack of ability, especially mental ability, to do something |
investigation; search for knowledge | |
act of obstructing; any structure that makes progress difficult | |
confinement; putting someone in prison or in jail as lawful punishment | |
habitually moving from place to place, especially in search of seasonal work; wandering |
act of omitting; neglect, or failure to do something required by propriety or duty | |
usually large pulpy deep-yellow round fruit of the squash family | |
important; powerful; having or exercising influence or power | |
during the current time; presently |
covered or obscured, as with clouds or mist; gloomy; melancholy | |
pitcher; vase; small, cylindrical container for food, normally made of glass or clay | |
act of obstructing; any structure that makes progress difficult | |
arc of colored light in the sky caused by the refraction of the sun's rays by rain |
a rapid series of short, loud sounds; loosely connected horny sections | |
marine mollusks having a rough irregular shell | |
important; powerful; having or exercising influence or power | |
attention; curiosity; dividend; yield |
arc of colored light in the sky caused by the refraction of the sun's rays by rain | |
out of houses; out of doors | |
a device consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer | |
pact or bundle made up and prepared to be carried; some similar things; a full set of playing cards |