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WORD LIST: o

obey

verb

to act as one is ordered to act

object

verb

to show that one does not like or approve; to protest

object

noun

something not alive that can be seen or touched

observe

verb

to watch; to look at carefully; to celebrate or honor something (“They will observe the anniversary of the day she was born.”)

occupy

verb

to live or stay in a place; to take and hold or to control by force

ocean

noun

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

October

 

of

preposition

made from; belonging to; about; connected to; included among

off

adjective

away; at a distance; condition when something is no longer operating or continuing; not on; not connected

offer

verb

to present or propose

offer

noun

the act of presenting or proposing; that which is presented or proposed

office

noun

a room or building where business or work is done; a public position to which one is elected or appointed

officer

noun

a person in the military who commands others; any person who is a member of a police force

official

noun

a person with power in an organization; a representative of an organization or government

official

adjective

of or about an office; approved by the government or someone in power

often

adverb

many times

oil

noun

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

adjective

not young or new; having lived or existed for many years

on

preposition

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

adverb

one time only

one

 

only

adjective

being the single one or ones; no more than (“We have only two dollars.”)

open

verb

to start (“They opened talks.”)

open

adjective

not closed; not secret

operate

verb

to do work or a job; to use (a machine); to cut into the body for medical reasons

opinion

noun

a belief based on one’s own ideas and thinking

oppose

verb

to be against; to fight against

opposite

adjective

different as possible; completely different from; exactly the other way (“North is the opposite direction from south.”)

oppress

verb

to make others suffer; to control by the use of unjust and cruel force or power

or

conjunction

giving another of two choices; giving the last of several choices

orange

adjective

of a color between red and yellow

orange

noun

a very common sweet fruit with an orange color

orbit

verb

to travel in space around a planet or other object

orbit

noun

a command; the correct or normal way things are organized; a peaceful situation in which people obey laws

organ

noun

a part of the body that has a special purpose, such as the heart or brain

organism

noun

a living thing, often so small it can be seen only through a microscope

organize

verb

to put in order; to put together into a system

origin

noun

the place where something starts, or the process by which it starts

other

determiner

different; of another kind; the remaining one or ones of two or more (“That man is short; the other is tall.”)

out

adverb

away from the inside; opposite of in

over

conjunction

above; covering; across, in or on every part of (“all over the world”)

overthrow

verb

to remove from power; to defeat or end by force

owe

verb

to pay or have to repay (usually money) in return for something received

own

verb

to have or possess for oneself

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