each - ad. every one by itself

early - ad. at or near the beginning, especially the beginning of the day; opposite late

earn - v. to be paid in return for work done

earth - n. the planet we all live on; the ground or soil

earthquake - n. a sudden, violent shaking of the earth's surface

ease - v. to reduce; to make less difficult

east - n. the direction from which the sun rises

easy - ad. not difficult; not hard to do

eat - v. to take food into the body through the mouth

ecology - n. the scientific study of the environment and links among living and material things

economy - n. the system by which money, industry and trade are organized

edge - n. the line where something ends or begins

education - n. the act of teaching

effect - n. the result or change caused by something ("The storm had a serious effect on the economy.")

effort - n. an attempt; the work necessary to do something

egg - n. the rounded object containing unborn young produced by female birds, fish or reptiles; a single cell in a female person or animal that can develop into a baby

either - ad. one of two, but not the other

elect - v. to choose by voting

electricity - n. a form of energy that flows through wires to provide heat and light, and power to machines

embassy - n. the offices of an ambassador and his or her assistants

emergency - n. an unexpected and dangerous situation demanding quick action

emotion - n. a strong feeling such as love, hate, fear or sadness

employ - v. to give work in return for wages

empty - ad. having nothing inside; v. to remove everything

end - v. to stop; to finish; n. the part which comes last

enemy - n. a person opposing or hating another; a person or people of the other side in a war

energy - n. power used to do work, usually with machines; the ability and willingness to be active

enforce - v. to make something be done

engine - n. a machine that uses energy to cause movement or to do work

engineer - n. a person who designs engines, machines, roads, bridges or railroads

enjoy - v. to be pleased or satisfied by something

enough - ad. as much as necessary; pro. the amount needed

enter - v. to come or go into

environment - n. all surrounding things, conditions and influences that affect life; the natural world of land, sea, air, plants and animals

equal - ad. the same in amount, size, weight or value; having the same rights

equipment - n. things, tools or machines needed for a purpose or activity

escape - v. to get free; to get away from; to get out of

especially - ad. more than others ("We liked the food, especially the fish.")

establish - v. to bring into existence; to create

estimate - v. to form an opinion about a value, size or amount using less than complete information

ethnic - ad. of or concerning people belonging to a large group because of their race, religion, language, tribe or where their ancestors lived

evaporate - v. to change from a liquid into a gas

even - ad. in a way not thought possible ("They survived, even though the building was destroyed.")

event - n. that which happens, especially something of importance

ever - ad. at any time

every - ad. each one; all

evidence - n. material or facts that prove something; a reason for believing

evil - ad. not good; extremely bad

exact - ad. having no mistakes; correct in every detail

examine - v. to study closely

example - n. a part that shows what the rest of a thing or group is like

excellent - ad. extremely good

except - prep. but for

exchange - v. to trade; to give or receive one thing for another

excuse - v. to take away blame; to pardon; to forgive; n. a reason (sometimes false) for an action

execute - v. to kill

exercise - n. an activity or effort for the purpose of improving the body or to stay in good health

exile - v. to force a person to leave his or her country; to expel; n. a person who is forced to leave his or her country

exist - v. to be; to live

expand - v. to make larger; to grow larger

expect - v. to think or believe that something will happen; to wait for an event

expel - v. to force out; to remove from; to send away

experience - v. to live through an event, situation or condition ("She experienced great pain."); n. something that one has done or lived through ("The experience caused her great pain.")

experiment - v. to test; n. a test or trial carried out to prove if an idea is true or false, or to discover something

expert - n. a person with special knowledge or training

explain - v. to give reasons for; to make clear; to tell about; to tell the meaning

explode - v. to break apart violently with a loud noise, like a bomb

explore - v. to travel in a place that is not well known to learn more about it; to make a careful search; to examine closely

export - v. to send to another country; n. something sent to another country, usually for sale

express - v. to say clearly

extend - v. to stretch out in area or length; to continue for a longer time

extra - ad. more than normal, expected or necessary

extreme - ad. more than the usual or accepted

extremist - n. a person with strong religious or political beliefs who acts in an extreme or violent way