Unit 3.1 – Volcano Vocabulary Active (adjective) Producing or involving movement. Engaged in action or activity. Synonym: lively, busy, energetic Analyze (verb) To examine something in order to understand it Synonym: study Colossal (adjective) Very large or great in size/meaning. Synonym: large, gigantic Create (verb) To make or produce something; to cause something new to exist. Synonym: build, design Dangerous (adjective) Able to cause injury, pain or harm. Synonym: hazardous, troubling, risky Define (verb) To explain the meaning of a word or phrase. Synonym: characterize, describe, detail Detect (verb) To discover or notice the presence of something or someone. Synonym: uncover, reveal, identify, recognize Disaster (noun) Something that happens suddenly and causes much suffering or loss to many people. Synonym: tragedy, catastrophe Drought (noun) A period of time during which there is very little or no rain. Synonym: dryness, shortage of supply, need, lack Erupt (verb) To come out in a sudden explosion. Synonym: burst, gush, blow up, explode Genuine (adjective) Actual, real or true Synonym: exact, pure, legitimate Haste (adjective) Quickness or eagerness that can result in mistakes; to hurry, speed of motion or action Synonym: rush, rapidly Hazardous (adjective) Involving risk or danger. Synonym: risky, difficult, dangerous Initial (adjective) Beginning or first. Synonym: early, original, opening Jagged (adjective) Having a sharp or uneven edge or surface. Synonym: uneven, rough, ragged Landslide (noun) A large amount of rocks and earth that suddenly and quickly moves down a mountain or hill. Synonym: rockslide Layer (noun) Amount of something that is spread over an area. Synonym: coating, tier Observant (adjective) Good at watching or looking. Alert Synonym: attentive, watchful Report (noun and verb) Noun: A written story about something. Verb: When someone writes or tells a story about something. Synonym: (noun) – article, study Synonym: (verb) – describe Surface (noun) An outside part or layer of something. Synonym: external, cover Thaw (verb) To unfreeze Synonym: loosen, relax, warm up Troublesome (adjective) Causing problems, worry or trouble. Synonym: alarming, difficult Vicinity (noun) The area around or near a particular place. Synonym: local area, region, environment Volcano (noun) A mountain with a hole in the top or side that sometimes sends out rocks, ash, lava, etc., in a sudden explosion. Warning (noun) An action or statement that tells someone about possible danger or trouble. Synonym: signal, recommendation, sign Widespread (adjective) Common over a wide area or among many people. Synonym: extensive, unlimited