Unit 4 ● Week 1Unit 4 ● Week 1

frigid

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Unit 4 ● Week 1Unit 4 ● Week 1

FRIGID means very cold. A frigid place usually has lots of snow and ice. Not too many people live in frigid places. A few animals, like polar bears and some kinds of penguins, live in frigid places. The North and South Poles are frigid environments.

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Unit 4 ● Week 1Unit 4 ● Week 1

treacherous

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Unit 4 ● Week 1Unit 4 ● Week 1

TREACHEROUS means full of danger. A treacherous place has dangers you can’t see or that you don’t know about. Ice on a lake can be treacherous. You can’t always tell how thick the ice is, and someone could fall through it into the water.

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Unit 4 ● Week 1Unit 4 ● Week 1

triumph

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Unit 4 ● Week 1Unit 4 ● Week 1

TRIUMPH means to be successful or have victory over something. When a person triumphs over something, he or she wins or achieves a goal. A sports team might triumph over another team by winning the game. A person might triumph by reaching the top of a mountain.

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Unit 4 ● Week 1Unit 4 ● Week 1

uninhabited

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Unit 4 ● Week 1Unit 4 ● Week 1

UNINHABITED means not lived in. If a place is uninhabited, no one lives there. An uninhabited place is empty and deserted. It’s quiet because there’s no one around to make noise. Parts of the desert are uninhabited. The moon is uninhabited, too.

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Unit 4 ● Week 1Unit 4 ● Week 1

expedition

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Unit 4 ● Week 1Unit 4 ● Week 1

EXPEDITION means a trip for exploring or studying. People might go on an expedition to find out about an unknown place. An expedition could be a long or a short journey. It can be for fun or for a serious reason.

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Unit 4 ● Week 1Unit 4 ● Week 1

labor

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Unit 4 ● Week 1Unit 4 ● Week 1

LABOR means work. Labor is work that you do by using the strength of your body. Labor is hard work, such as diffing ditches, putting a roof on a house, or mowing the grass. You use many of your muscles when you do manual labor.

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Unit 4 ● Week 1Unit 4 ● Week 1

dismantled

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Unit 4 ● Week 1Unit 4 ● Week 1

DISMANTLED means taken apart. When you dismantle something, you separate the parts so it doesn’t work any more. Something might be dismantled because it is old, or damaged, or to make room for something new.

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Unit 4 ● Week 1Unit 4 ● Week 1

abandon

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Unit 4 ● Week 1Unit 4 ● Week 1

ABANDON means to give up or leave something forever. When you abandon something, you leave it alone or dump it somewhere. You don’t go back to get it. You might have to abandon something if it doesn’t work right, or if you have too many things.

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