Rate of change

20 words

1. 1

   surgeverb / noun/sɜːdʒ/

   a sudden, large increase (can be noun or verb)

   “There was a sudden surge in online sales after the promotion.”

2. 2

   remain steadyverb phrase/rɪˈmeɪn ˈstedi/

   to stay at the same level; to be stable

   “Despite fluctuations elsewhere, unemployment remained steady at 5%.”

3. 3

   plummetverb/ˈplʌmɪt/

   to fall steeply and suddenly

   “After the scandal the company's share price plummeted.”

4. 4

   climbverb/klaɪm/

   to go up steadily or by degrees on a chart or over time

   “The proportion of online shoppers climbed steadily between 2010 and 2019.”

5. 5

   gradual increasenoun phrase/ˈɡrædʒuəl ɪnˈkriːs/

   a slow and steady rise over a period of time

   “The chart shows a gradual increase in renewable energy use from 2000 to 2015.”

6. 6

   decreaseverb / noun/dɪˈkriːs/

   to become smaller in size, amount, number, or strength / a reduction

   “The number of commuters decreased steadily over five years.”

7. 7

   fluctuateverb/ˈflʌktʃuːeɪt/

   to rise and fall irregularly; to vary over time

   “Prices fluctuated throughout the year, making forecasts difficult.”

8. 8

   rapidlyadverb/ˈræpɪdli/

   quickly; at great speed

   “The population of the city grew rapidly between 1990 and 2000.”

9. 9

   level offphrasal verb/ˈlevəl ɒf/

   to stop changing and stay at the same level

   “After two years of growth, exports levelled off in 2019.”

10. 10

    plateauverb / noun/plæˈtəʊ/

    to stop changing and stay at a roughly constant level after a period of change

    “After a period of steady growth, exports plateaued at around $5 billion.”

11. 11

    soarverb/sɔː(r)/

    to rise very quickly to a high level

    “”

12. 12

    peakverb / noun/piːk/

    to reach the highest point / the highest point

    “Tourist numbers peaked in August before falling in September.”

13. 13

    dipverb / noun/dɪp/

    to fall slightly or for a short time / a small fall

    “Sales dipped in February but recovered in March.”

14. 14

    riseverb / noun/raɪz/

    to go up in level or amount; the act of going up

    “Between 2010 and 2015 the number of visitors rose steadily.”

15. 15

    fallverb / noun/fɔːl/

    to become lower in amount or level; the act of becoming lower

    “The unemployment rate fell dramatically after the reform.”

16. 16

    recoververb/rɪˈkʌvə/

    to return to a normal state or to a previous level after a fall or problem

    “Following the recession, industrial output recovered to pre-crisis levels.”

17. 17

    plungeverb/plʌndʒ/

    to fall suddenly and by a large amount

    “Profits plunged after the unexpected tax hike.”

18. 18

    stabilizeverb/ˈsteɪbəlaɪz/

    to become steady or to make something steady after a period of change

    “After months of volatility, markets stabilized in late 2019.”

19. 19

    hoververb/ˈhʌvə/

    to stay at about the same level without moving much up or down

    “Unemployment has hovered around 5% for the past three years.”

20. 20

    accelerateverb/əkˈseləreɪt/

    to increase in speed or rate; to make something increase in speed or rate

    “Growth accelerated in the final quarter of the year.”