Glossary of 1,500 Common English Words
Browse the glossary using this index
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O |
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obey | ||
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to act as one is ordered to act | ||
object | ||
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to show that one does not like or approve; to protest; n. something not alive that can be seen or touched | ||
observe | ||
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to watch; to look at carefully; to celebrate or honor something ("They will observe the anniversary of the day she was born.") | ||
occupy | ||
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to take and hold or to control by force | ||
ocean | ||
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the area of salt water that covers almost seventy-five percent of the earth's surface; any of the five main divisions of this water | ||
of | ||
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made from; belonging to; about; connected to; included among | ||
off | ||
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away; at a distance; condition when something is no longer operating or continuing; not on; not connected | ||
offensive | ||
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a military campaign of attack; ad. having to do with attacking | ||
offer | ||
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to present or propose; n. the act of presenting or proposing; that which is presented or proposed | ||
office | ||
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a room or building where business or work is done; a public position to which one is elected or appointed | ||
officer | ||
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a person in the military who commands others; any person who is a member of a police force | ||
often | ||
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many times | ||
oil | ||
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a thick liquid that does not mix with water and that burns easily; a black liquid taken from the ground and used as fuel | ||
old | ||
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not young or new; having lived or existed for many years | ||
on | ||
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above and held up by; touching the upper surface of ("The book is on the table."); supported by ("He is on his feet."); about ("The report on the meeting is ready."); at the time of ("He left on Wednesday.") | ||
once | ||
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one time only | ||
only | ||
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being the single one or ones; no more than ("We have only two dollars.") | ||
open | ||
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to start ("They opened talks."); ad. not closed; not secret | ||
operate | ||
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to do work or a job; to cut into the body for medical reasons | ||
opinion | ||
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a belief based on one's own ideas and thinking | ||
oppose | ||
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to be against; to fight against | ||
opposite | ||
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different as possible; completely different from; exactly the other way ("North is the opposite direction from south.") | ||
oppress | ||
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to make others suffer; to control by the use of unjust and cruel force or power | ||
or | ||
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giving another of two choices; giving the last of several choices | ||
orbit | ||
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to travel in space around a planet or other object; n. the path or way an object travels in space around another object or planet | ||
order | ||
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to give a command; to tell someone what to do; n. a command; the correct or normal way things are organized; a peaceful situation in which people obey laws | ||
organ | ||
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a part of the body that has a special purpose, such as the heart or brain | ||
organism | ||
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a living thing, often so small it can be seen only through a microscope | ||
organize | ||
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to put in order; to put together into a system | ||
other | ||
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different; of another kind; the remaining one or ones of two or more ("That man is short; the other is tall.") | ||
our | ||
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of or belonging to us | ||
oust | ||
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to force to leave; to remove by force | ||
out | ||
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away from the inside; opposite of in | ||
over | ||
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above; covering; across, in or on every part of ("all over the world") | ||
overthrow | ||
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to remove from power; to defeat or end by force | ||
owe | ||
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to pay or have to repay (usually money) in return for something received | ||
own | ||
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to have or possess for oneself | ||