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 planet¹ we all live on; the ground or soil

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

ease² - 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 teaching³

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 female⁵ birds, fish or reptiles⁶; 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

embassy⁷ - n. the offices of an ambassador⁸ and his or her assistants

emergency - n. an unexpected⁹ 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

enforce¹⁰ - 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 railroads¹¹

enjoy - v. to be pleased or satisfied by something

enough - ad. as much as necessary; pro⁴. 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