3idea -n. a thought or picture in the mind; a belief
4identify -v. to recognize someone or something and to say who or what they are
5if - conj. on condition; provided that (“I will go if you go.”)
6ignore -v. to pay no attention to or refuse to consider (“The president ignored the protesters outside his office.”)
7illegal -adj. not legal; in violation of a law
8image -n. a reproduction of the appearance of a person or thing
9imagine -v. to make a picture in the mind; to form an idea
10immediate -adj. without delay; very near in time or place
11immigrant -n. a person who arrives in a country to live there
12import -v. to bring from another country; -n. something brought from another country, usually for sale
13important -adj. having great meaning, value or power
14improve -v. to make better; to become better
15in -prep. inside; held by; contained by; surrounded by; during
16incident -n. an event or something that happens
17incite -v. to urge or cause an action or emotion, usually something bad or violent
18include -v. to have; to make a part of
19increase -v. to make more in size or amount
20independent -adj. not influenced by or controlled by another or others; free; separate
21individual -n. one person
22industry -n. any business that produces goods or provides services; the work and related activity in factories and offices; all organizations involved in manufacturing
23infect -v. to make sick with something that causes disease
24inflation -n. a continuing rise in prices while the value of money goes down
25influence -v. to have an effect on someone or something; to cause change
26inform -v. to tell; to give knowledge to
27information -n. knowledge; facts
28inject -v. to force a fluid into, such as putting medicine or drugs into the body through the skin
29injure -v. to cause harm or damage to a person or animal
30innocent -adj. not guilty of a crime; not responsible for a bad action
31insane -adj. mentally sick
32insect -n. a very small creature, usually with many legs and sometimes with wings
33inspect -v. to look at something carefully; to examine, especially by an expert
34instead -adv. in the place of; taking the place of
35instrument -n. a tool or device designed to do something or to make something
36insult -v. to say something or to do something that makes another person angry or dishonored
37intelligence -n. the ability to think or learn; information gathered by spying
38intelligent -adj. quick to understand or learn
39intense -adj. very strong; extremely serious
40interest -n. what is important to someone (“He acted to protect his interests.” “She had a great interest in painting.”); a share in owning a business; money paid for the use “of money borrowed
41interfere -v. to get in the way of; to work against; to take part in the activities of others, especially when not asked to do so
42international -adj. of or about more than one nation or many nations; of the whole world
43Internet -n. the extensive communications system that connects computers around the world
44intervene -v. to come between; to come between in order to settle or solve
45invade -v. to enter an area or country by force with an army
46invent -v. to plan and make something never made before; to create a new thing or way of doing something
47invest -v. to give money to a business or organization with the hope of making more money
48investigate -v. to study or examine all information about an event, situation or charge; to search for the truth
49invite -v. to ask someone to take part in or join an event, organization or gathering
50involve -v. to take part in; to become a part of; to include
51iron -n. a strong, hard metal used to make machines and tools
52island -n. a land area with water all around it
53issue -n. an important problem or subject that people are discussing or arguing about
54it -pron. a thing, place, event or idea that is being spoken about (“The sky is blue, but it also has a few white clouds.”)
01 sabotage v. to damage or destroy as an act against an organization or nation 02 sacrifice v. to do without something or to suffer a loss for a belief, idea, goal or another person 03 sad adj. not happy 04 safe adj. away from harm or danger 05 sail v. to travel by boat or ship 06 sailor n. a person involved in sailing a boat or ship 07 salt n. a white substance found in sea water and in the ground, used to affect the taste of food 08 same adj. not different; not changed; like another or others 09 sand n. extremely small pieces of crushed rock found in large amounts in deserts and on coasts 10 satellite n. a small object in space that moves around a larger object; an object placed in orbit around the earth
