1. Ninth Grade Vocabulary
Unit 13

2. Latin FLUERE, FLUCTUM
“to flow”

3. Affluent Adjective—wealthy and privileged; well-to-do
Sentence: In the more affluent neighborhoods, many people have three or more luxury cars.
Syn: prosperous Ant: impoverished

4. Superfluous Adjective—extra
Sentence: Ruben told me that the last paragraph was superfluous, since the other paragraphs already covered the important information.
Syn: excessive Ant: crucial

5. Mellifluous Adjective—sweetly flowing or sounding
Sentence: The mellifluous notes of Meg’s song reminded Jack of a gently running brook.
Syn: harmonious

6. Latin LEVIS
“light”

7. Leaven Verb—to make less heavy or serious
Sentence: No matter how Angela tried to leaven the mood, everyone seemed determined to be miserable
Syn: lighten Ant: dampen

8. Levity Noun—lack of seriousness; jolly
Sentence: The speaker’s levity seemed out of place at the funeral.
Syn: jollity Ant: gloominess

9. Alleviate Verb—to make less painful of dangerous
Sentence: Alice has developed a home remedy which will alleviate the symptoms of a bad cold.
Syn: ease Ant: aggravate

10. Latin LABI, LAPSUS
“slip, slide”

11. Elapse Verb—to slip away
Sentence: Three hours elapsed, and weary students began to finish the SAT.

12. Collapse Noun—complete failure and ruin
Sentence: Heavy snow on a roof can cause it to collapse.

13. Relapse Noun—a falling back into an old illness or habit
Sentence: Since I decided to give up sugar, I have not had a single relapse.
Syn: setback

14. Latin CEDERE, CESSUM
“to move along, to go”

15. Recede Verb—to move back or away from
Sentence: Many flood victims sought shelter while waiting for the flood waters to recede.
Syn: retreat Ant: advance

16. Concession Noun—something given up or yielded
Sentence: Joan’s mom made a concession in allowing her to keep her cell in her room, and now her grades are falling
Syn: admission Ant: refusal

17. Cede Verb—to surrender
Sentence: The two nations fought over the land for years until one finally ceded it to the other.
Syn: yield Ant: withhold