VOCABULARY TO DESCRIBE GRAPHS

Fluctuation: a situation in which prices, levels or interest rates go up and down:

Sentence: There were substantial fluctuations in temperature last week.

Increase: become or make greater in size, amount, or degree

Sentence: The population continues to increase

Surge: to rise, roll, move, or swell forward in or like waves

Sentence: the roads can’t cope with the surge of traffic

Variation: a change or slight difference in condition, amount, or level, typically within certain limits

Sentence: The figures showed marked variation from year to year

Plummet: fall or drop straight down at high speed.

Sentence: Shareholders saw their holdings plummet in value soon after the launch

Sharply: quickly and suddenly:

Sentence: His health improved/deteriorated sharply this week.

Gradually: slowly over a period of time or a distance

Sentence: The lion gradually moved closer to its prey

Dramatically: suddenly or obviously:

Sentence: The cost of the project has increased dramatically since it began.

Consistent: marked by harmony, regularity, or steady continuity

Sentence: The president has been remarkably consistent on economic issues.

Substantial: of considerable importance, size, or worth.

Sentence: we will not have to make any substantial changes to the document

Abrupt: sudden and unexpected.

Sentence: I was surprised by the abrupt change of subject