1. important =crucial (extremely important),significant(amount or effect large enough to be important)

2.common=universal, ubiquitous(if something is ubiquitous, it seems to be everywhere)

3.abundant=ample(enough and usually extra), plentiful(enough for people's needs and wants)

4.stick=adhere, cling(hold on something tightly)

5.neglect=ignore.(difference: neglect means someone has not paid enough attention to something; ignore means no

attention.)

6.near=adjacent(twothings next to each other), adjoin(the same as adjacent)'

7.pursue=woo(man woos woman, old-fashioned), seek(if you seek sth, you try to obtain it. FORMAL)

8.accurate=precise(precise is exact and accurate in all details), exact(correct in every detail)

9.vague=obscure(unknown or known by only a few people)

10.top=peak, summit
 
11.competitor=rival, opponent(especially in sports and politics)

12.blame=condemn(if you condemn something, you say it is very bad and unacceptable)

13.opinon=perspective, standpoint(means looking at an event or situation in a particular way)

14.fame=prestige(describe those who are admired), reputation

15.build=erect(you can erect something as buildings, FORMAL), establish

16.insult=humiliate(do something or say something which makes
people feel ashamed or stupid)

17.complain=grumble (complain something in a bad-tempered way)

18.primary=radical (very important and great in degree), fundamental

19.relieve=alleviate (alleviate means you make pain or sufferings less intense or severe)

20.force=coerces into(coerce means you make someone do something s/he does not want to),compel

21.enlarge=magnify(magnify means make something larger than it really is)

22.complex=intricate(if something is intricate, it often has many small parts and details)

23. Lonely=solitary (if someone is solitary, there is no one near him/her

24.small=minuscule(very small), minute

25.praise=extol(stronger than praise), compliment(polite and political)