accurate: (adj.) without mistakes or errors in facts In science class we made accurate drawings of the plants we studied, and made sure we made no mistakes.

accuracy: (n) correctness, exactness I question the accuracy of your work because some of your answers appear to be incorrect.

approximate: (adj.) not exact, but close enough to be correct My approximate weight is about a hundred and ten pounds.

course: (n) the path over which something moves The spaceship is moving through space on a course for Mars.

course: (n) a way of acting or behaving Because its raining so hard, our best course of action is to wait inside until the storm ends.

course: (n) a subject or set of subjects to be studied My favorite subject in school was the science course I took with Ms. Soto.

depart: (v) to leave; to go away from a place The bus will depart at ten o’clock, and take us to Tijuana.

departure: (n) the act of leaving We were sad after the departure of our friends.

despair: (v) to lose hope When I couldn’t find the book I wanted, I despaired of ever finding it and lost all hope.

Despair: (n) a total lack of hope After watching the opposing team score the final goal, the look of despair on our faces told me that everyone had lost hope of winning.

destination: (n) the place to which something or someone is going Tell the clerk your destination when you buy your ticket, so they know where you want to go.

deteriorate: (v) to make or become worse Smoking causes your lungs and heart to worsen over the years and deteriorate.

gale: (n) a very strong wind Last night’s gale tore several tiles off the roof, and the strong winds also broke some windows.

gale: (n) a loud outburst We heard a loud outburst from the classroom and realized that it was gales of laughter from the students.

horizon: (n) the apparent line in the distance where the sky meets the sea or land. While looking at the ocean we watched the setting sun sink slowly over the horizon.

horizontal: (adj.) going straight across from side to side Side to side, left to right, the shoes were in horizontal rows in the closet.

jubilation: (n) a feeling or expression of great joy Feeling great joy, there was jubilation among the fans when the Saints won the 2010 Super Bowl.

jubilant: (adj.) very happy The excited fans were jubilant when their team won the Super Bowl.

navigate: (v) to calculate or direct the movement of a ship or aircraft. The sailors will navigate their ship by measuring the position of the sun and stars.

navigation: (n) the science or practice of navigating Clocks and sextants are instruments used in the practice of navigation.

nostalgia: (n) a longing for a certain time in the past. Seeing the photographs from my childhood filled me with nostalgia.

nostalgic: (adj.) having feelings of nostalgia I became nostalgic when I saw the pictures from my childhood.

revive: (v) to make or become stronger A short nap will revive and strengthen you.

revive: (v) to bring back into use or fashion The show revives a number of fashions from the fifties.

sever: (v) to break off When the two friends had an argument, they severed all ties with each other and broke off their friendship.

sever: (v) to cut in two Jose accidently severed the garden hose while mowing the lawn.

voyage: (n) a long journey by sea or in space The voyage across the Pacific Ocean will take three weeks.

voyage: (v) to make a journey by sea or space Long before Columbus, the Vikings voyaged across the Atlantic Ocean to reach North America.