1. Lesson 4

2. Lesson 4 #1 WordPart of Speech DefinitionSentence cessationnounA bringing or coming to an end; a halt The cessation of the loud drilling, from outside, enabled Ricardo to continue his flute lesson.

3. Lesson 4 #2 WordPart of Speech DefinitionSentence commenceVerbTo beginThe race commenced as the referee swiftly lowered the flag.

4. Lesson 4 #3 WordPart of Speech DefinitionSentence deterverbTo prevent or discourage from acting, by means of fears or doubt The iciness of the roads deterred us from driving.

5. Lesson 4 #4 WordPart of Speech DefinitionSentence hampera)verb b)noun a)To prevent from moving freely or making progress; to limit b)A large basket, usually with a cover a)Chuck’s painfully tight shoes hampered him on the dance floor. b)The hamper in the bathroom was overflowing with dirty clothes.

6. Lesson 4 #5 WordPart of Speech DefinitionSentence obstructionNounSomething that blocks or gets in the way; an obstacle The landslide created an obstruction, blocking traffic on the freeway.

7. Lesson 4 #6 WordPart of Speech DefinitionSentence precludeVerbTo make impossible or unlikely; to prevent The very cold temperature precludes the possibility of finding liquid water here.

8. Lesson 4 #7 WordPart of Speech DefinitionSentence procrastinateVerbTo delay; to put off doing something Martin was supposed to take out the garbage, but he procrastinate so long that the kitchen began to smell.

9. Lesson 4 #8 WordPart of Speech DefinitionSentence scuttleVerbTo run or move with short, hurried movements; to scurry The students scuttled across the yard and entered the classroom just before the bell rang.

10. Lesson 4 #9 WordPart of Speech DefinitionSentence subsideVerba)To sink to a lower or more normal level b)To become less active or intense a)It took days for the floodwaters to subside. b)After Merideth read the test, her fear of failing subsided.

11. Lesson 4 #10 WordPart of Speech DefinitionSentence thwartVerbTo prevent from taking place; frustrate; block A swarm of bees thwarted our plans for a picnic.