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20 words

1. 1

   ubiquitousadjective/juːˈbɪkwɪtəs/

   existing or being everywhere at the same time; very common

   “Smartphones are ubiquitous these days, so even small shops accept mobile payment.”

2. 2

   enormousadj/ɪˈnɔːməs/

   very large in size, quantity, or degree

   “The city has an enormous population, which creates pressure on housing.”

3. 3

   indigenousadjective/ɪnˈdɪdʒənəs/

   originating or occurring naturally in a particular place; native

   “The reserve protects indigenous species that are under threat.”

4. 4

   rigorousadj/ˈrɪɡərəs/

   strict, thorough, and careful

   “The university applies rigorous selection criteria for scholarships.”

5. 5

   copiousadjective/ˈkəʊpiəs/

   in large amounts; plentiful

   “The student took copious notes during the lecture and didn't need to borrow slides.”

6. 6

   spontaneousadj/spɒnˈteɪniəs/

   happening naturally, without planning or encouragement

   “Her laugh was completely spontaneous and made everyone relax.”

7. 7

   precariousadj/prɪˈkeəriəs/

   not securely held or in position; dangerously likely to fall or collapse; uncertain

   “Many families are in a precarious financial position after losing work.”

8. 8

   arduousadjective/ˈɑːdjuəs/

   involving or requiring strenuous effort; difficult and tiring

   “Training for the marathon was an arduous process that tested her patience.”

9. 9

   nutritiousadjective/njuːˈtrɪʃəs/

   containing nutrients that are good for your health

   “A bowl of porridge with fruit is a nutritious breakfast.”

10. 10

    conscientiousadj/ˌkɒnʃiˈɛnʃəs/

    careful, responsible, and wanting to do a good job

    “She is a conscientious teacher who prepares lessons carefully.”

11. 11

    ingeniousadj/ɪnˈdʒiːniəs/

    very clever and original, especially in finding ways of solving problems

    “The engineer came up with an ingenious solution to reduce energy loss.”

12. 12

    infectiousadjective/ɪnˈfekʃəs/

    able to be passed from one person to another; caused by an infectious agent

    “The hospital isolated patients with infectious diseases.”

13. 13

    tediousadj/ˈtiːdiəs/

    boring and too long or slow

    “Filling in forms for hours can be tedious.”

14. 14

    meticulousadj/məˈtɪkjələs/

    very careful and accurate about small details

    “She is meticulous about citing sources in her essays.”

15. 15

    conspicuousadj/kənˈspɪkjʊəs/

    standing out so as to be clearly visible or attracting attention

    “There was a conspicuous drop in pollution after the new regulations.”

16. 16

    innocuousadjective/ɪˈnɒkjʊəs/

    not harmful or offensive; unlikely to cause trouble

    “At first the comment seemed innocuous, but some people were offended.”

17. 17

    pretentiousadj/prɪˈtenʃəs/

    trying to appear more important or clever than you really are, often in an annoying way

    “The gallery looked pretentious with its overpriced art and pompous descriptions.”

18. 18

    ferociousadjective/fəˈrɒʃəs/

    savage, violent, or extremely intense

    “The animal gave a ferocious roar before charging.”

19. 19

    industriousadj/ɪnˈdʌstriəs/

    hard-working and persistent in effort

    “She is an industrious student who studies every evening.”

20. 20

    superfluousadj/suːˈpɜːflʊəs/

    unnecessary, especially through being more than enough

    “Cut any superfluous words from your essay to make the argument clearer.”