1) Read a lot of books. It's definitely important for you to flip the papers one by one and highlight the words that you don't know. Eventually, you'll learn new words and yet it isn't enough. So, here goes tips number 2.
2) Watch a lot of English movies with subtitles. Subtitles can help you with pronunciations. By that, you can learn how to pronounce unusual words and at the same time enjoy every bit of your moments watching your favorite movies.
3) Write a lot. It's extremely crucial for you to write and flow your idea on a piece of paper. From time to time, you'll be ready to insert new words and improve your grammar simultaneously!
4) Talk a lot. If you're an introverted person, you can regularly talk to yourself. It isn't that weird, to be frank. Just try, you'll be satisfied after knowing your English is getting better!
Now, below are some words I compiled based on what I read and watched. I hope it'll be helpful for you in the future!
VOCABULARY
1. discrepancy: an illogical or surprising lack of compatibility or similarity between two or more facts.
"there's a discrepancy between your account and his"
2. stale: ▪ (of food) no longer fresh and pleasant to eat; hard, musty, or dry.
▪ no longer new and interesting or exciting.
3. sycophant: a person who acts obsequiously towards someone important in order to gain advantage.
"he was surrounded by flatterers and sycophants"
4. blasphemous: sacrilegious against God or sacred things; profane.
"blasphemous and heretical talk"
5. blasphemy: the action or offence of speaking sacrilegiously about God or sacred things; profane talk.
"he was condemned for his blasphemy"
6. vehement: showing strong feeling; forceful, passionate, or intense.
"her voice was low but vehement"
"parents are vehement in their support for the school"
7. tandem: (noun) 1. a bicycle with seats and pedals for two riders, one behind the other.
(adverb) 1. with two or more horses harnessed one behind another.
"I rode tandem to Paris"
(adjective) 1. having two things arranged one in front of the other.
"a tandem trailer"
8. upbringing: the treatment and instruction received by a child from its parents throughout its childhood.
9. vanquished: defeat thoroughly. "he successfully vanquished his rival"
10. encapsulated: 1. enclose (something) in or as if in a capsule.
"the company would encapsulate the asbestos waste in concrete pellets"
2. express the essential features of (something) succinctly.
"the conclusion is encapsulated in one sentence"
11. ostensible: stated or appearing to be true, but not necessarily so.
12. deprivation: ▪ the damaging lack of material benefits considered to be basic necessities in a society.
"low wages mean that 3.75 million people suffer serious deprivation"
▪ the lack or denial of something considered to be a necessity.
"sleep deprivation"
13. incorrigible: (of a person or their behaviour) not able to be changed or reformed.
"she's an incorrigible flirt"
14. courteous: polite, respectful, or considerate in manner.
"she was courteous and obliging to all"
15. verdict: a decision on an issue of fact in a civil or criminal case or an inquest.
"the jury returned a verdict of not guilty"
16. viable: capable of working successfully; feasible.
"the proposed investment was economically viable"
17. no-frills: without unnecessary extras, especially ones for decoration or additional comfort.
"cheap fast food in no-frills surroundings"
18. aficionado: a person who is very knowledgeable and enthusiastic about an activity, subject, or pastime.
“a crossword aficionado"
19. fervent: having or displaying a passionate intensity.
"a fervent supporter of the revolution"
20. platonic: (of love or friendship) intimate and affectionate but not sexual.
"their relationship is purely platonic"
21. miscellaneous: ▪ (of items or people gathered or considered together) of various types or from different sources.
"he picked up the miscellaneous papers in his in tray"
▪ (of a collection or group) composed of members or elements of different kinds.
"a miscellaneous collection of well-known ne'er-do-wells"
22. menial: (of work) not requiring much skill and lacking prestige.
"menial factory jobs"
23. oblique: 1. neither parallel nor at right angles to a specified or implied line; slanting.
"we sat on the settee oblique to the fireplace"
2. not expressed or done in a direct way.
"he issued an oblique attack on the President"
24. callous: showing or having an insensitive and cruel disregard for others.
"his callous comments about the murder made me shiver"
25. galore: in abundance.
"there were prizes galore for everything"
26. gargantuan: enormous.
"a gargantuan appetite"
27. ursine: relating to or resembling bears.
"ursine arteriosclerosis"
28. mayhem: violent or extreme disorder; chaos.
"complete mayhem broke out"
29. papacy: ▪ the office or authority of the Pope.
"relations between the English state and the papacy"
▪ the tenure of office of a pope.
"during the papacy of Pope John"
30. depiction: the action of depicting something, especially in a work of art.
"the painting's horrific depiction of war"
31. berserk: out of control with anger or excitement; wild or frenzied.
"a man went berserk with an arsenal of guns"
32. peddle: ▪ try to sell (something, especially small goods) by going from place to place.
"he peddled printing materials around the country"
▪ sell (an illegal drug or stolen item).
"youths involved in drug peddling"
▪ promote (an idea or view) persistently or widely.
"the giant con that has been peddled in the Conservative press"
33. mangy: ▪ having mange.
"a mangy cat"
▪ in poor condition; shabby.
"a girl in a mangy fur coat"
34. manoeuvre: 1. a movement or series of moves requiring skill and care.
"snowboarders performed daring manoeuvres on precipitous slopes"
"a tricky parking manoeuvre"
▪ a carefully planned or cunning scheme or action.
"shady financial manoeuvres"
▪ the fact or process of taking carefully planned or cunning action.
"the economic policy provided no room for manoeuvre"
2. a large-scale military exercise of troops, warships, and other forces.
"the Russian vessel was on manoeuvres"
35. notion: 1. a conception of or belief about something.
"children have different notions about the roles of their parents"
2. an impulse or desire, especially one of a whimsical kind.
"she had a notion to ring her friend at work"
36. morose: sullen and ill-tempered.
"she was morose and silent when she got home"
37. insurmountable: too great to be overcome.
"an insurmountable problem"
38. ubiquitous: present, appearing, or found everywhere.
"his ubiquitous influence was felt by all the family"
39. postpartum: following childbirth or the birth of young.
"the custom of post-partum abstinence"
40. effervescent: 1. (of a liquid) giving off bubbles; fizzy.
"an effervescent mixture of cheap wine, fruit flavours, sugar, and carbon dioxide"
2. vivacious and enthusiastic
"effervescent young people"
41. malevolent: having or showing a wish to do evil to others.
"the glint of dark, malevolent eyes"
42. idiosyncrasy: a mode of behaviour or way of thought peculiar to an individual.
"one of his little idiosyncrasies was always preferring to be in the car first"
a distinctive or peculiar feature or characteristic of a place or thing.
"the idiosyncrasies of the prison system"
43. emote: (especially of an actor) portray emotion in a theatrical manner.
"the actors would emote for the camera"
44. defiantly: in a manner that shows open resistance or bold disobedience.
"he defiantly refused to accept any government money"
45. mishap: an unlucky accident.
"although there were a few minor mishaps, none of the pancakes stuck to the ceiling"
46. cathartic: providing psychological relief through the open expression of strong emotions; causing catharsis.
"crying is a cathartic release"
47. remuneration: money paid for work or a service.
"they work in excess of their contracted hours for no additional remuneration"