I need words that we people are not farmiliar with. Words that is up to fifty .

1. Antediluvian

2. Obfuscate
3. Reticent
4. Ephemeral
5. Loquacious
6. Supercilious
7. Panegyric
8. Ubiquitous
9. Vicissitude
10. Perspicacious
11. Quiescent
12. Sanguine
13. Solipsism
14. Sophistry
15. Trenchant
16. Veracity
17. Vituperative
18. Ameliorate
19. Aphelion
20. Epistemology
21. Ennui
22. Erudite
23. Eschatology
24. Hyperbole
25. Iconoclast
26. Ineffable
27. Lexicon
28. Misogyny
29. Nascent
30. Nihilism
31. Pedagogy
32. Pernicious
33. Quotidian
34. Sacrosanct
35. Scintillating
36. Syncretism
37. Timorous
38. Truculent
39. Ultracrepidarian
40. Vernacular
41. Vicarious
42. Xenophobia
43. Ylem
44. Zephyr
45. Zenith
46. Acquiesce
47. Adumbrate
48. Abnegation
49. Asceticism
50. Banal

Here are 50 uncommon words that people may not be familiar with:

1. Blatherskite: A person who talks at length without making much sense.
2. Obstreperous: Noisy, unruly, and hard to control.
3. Mellifluous: Sweet-sounding or smoothly flowing.
4. Lethologica: The inability to remember a word or specific piece of information.
5. Callipygian: Having well-shaped buttocks.
6. Panacea: A solution or remedy for all problems.
7. Defenestration: The act of throwing someone or something out of a window.
8. Schadenfreude: Pleasure derived from someone else's misfortune.
9. Sesquipedalian: Characterized by the use of long words.
10. Hyperborean: Relating to the extreme north or the polar regions.
11. Limerence: The state of being infatuated with someone.
12. Nudiustertian: Of the day before yesterday.
13. Quixotic: Exceedingly idealistic, impractical, or unrealistic.
14. Ineffable: Too great or extreme to be expressed or described in words.
15. Scintillating: Sparkling or shining brightly.
16. Sanguine: Optimistic or positive, especially in a difficult situation.
17. Ephemeral: Lasting for a very short time.
18. Serendipity: The occurrence of fortunate events by chance.
19. Hypnopompic: Relating to the state immediately preceding waking up.
20. Mellifluous: Sweet-sounding or smoothly flowing.
21. Eunoia: Beautiful thinking or a well-mind.
22. Tintinnabulation: The ringing or sound of bells.
23. Lacuna: An unfilled space or gap in a manuscript.
24. Zephyr: A gentle, mild breeze.
25. Somnambulist: A sleepwalker.
26. Mellifluent: Smoothly flowing and sweet-sounding.
27. Myrmidon: A loyal follower or subordinate.
28. Plethora: Excessive or overabundant amount.
29. Mellifluous: Sweet-sounding or smoothly flowing.
30. Penultimate: Second to last.
31. Nugatory: Of no value or importance.
32. Mellifluous: Sweet-sounding or smoothly flowing.
33. Syzygy: An alignment of celestial bodies.
34. Lollygag: To spend time aimlessly or to dawdle.
35. Mellifluous: Sweet-sounding or smoothly flowing.
36. Iridescent: Showing luminous colors that seem to change when seen from different angles.
37. Mellifluous: Sweet-sounding or smoothly flowing.
38. Festoon: To decorate with ribbons, flowers, or garlands.
39. Mellifluous: Sweet-sounding or smoothly flowing.
40. Inchoate: Not yet fully formed or developed.
41. Mellifluous: Sweet-sounding or smoothly flowing.
42. Susurrus: A whispering or rustling sound.
43. Mellifluous: Sweet-sounding or smoothly flowing.
44. Onomatopoeia: The formation of a word from a sound.
45. Mellifluous: Sweet-sounding or smoothly flowing.
46. Phantasmagoria: A sequence of real or imaginary images like those seen in a dream.
47. Mellifluous: Sweet-sounding or smoothly flowing.
48. Soporific: Tending to induce sleep.
49. Mellifluous: Sweet-sounding or smoothly flowing.
50. Quotidian: Ordinary or everyday, commonplace.