1. Altruism (noun): The selfless concern for the well-being of others.
Synonym: Selflessness
Antonym: Self-interest
2. Ambrosia (noun): The food or drink of the gods, often thought to bring immortality.
Synonym: Nectar
Antonym: Poison
3. Ameliorate (verb): To make something better or improve it.
Synonym: Improve
Antonym: Worsen
4. Amenable (adjective): Open to suggestion or influence.
Synonym: Agreeable
Antonym: Uncooperative
5. Ascribe (verb): To attribute something to a cause or source.
Synonym: Attribute
Antonym: Disclaim
6. Aseptic (adjective): Free from contamination or germs.
Synonym: Sterile
Antonym: Contaminated
7. Avant-garde (adjective): New and experimental, especially in the arts.
Synonym: Innovative
Antonym: Traditional
8. Blarney (noun): Flattering talk meant to deceive or charm.
Synonym: Flattery
Antonym: Sincerity
9. Blasé (adjective): Indifferent or unimpressed due to over-familiarity.
Synonym: Indifferent
Antonym: Enthusiastic
10. Blitzkrieg (noun): A sudden and intense military attack.
Synonym: Attack
Antonym: Defense
11. Cache (noun): A hidden store of goods or valuables.
Synonym: Hoard
Antonym: Open
12. Cacophony (noun): A harsh, jarring noise.
Synonym: Racket
Antonym: Silence
13. Cajole (verb): To persuade someone through flattery or promises.
Synonym: Coax
Antonym: Discourage
14. Chagrin (noun): A feeling of distress or embarrassment.
Synonym: Disappointment
Antonym: Joy
15. Chauvinism (noun): Excessive or prejudiced loyalty to one's own group.
Synonym: Nationalism
Antonym: Tolerance
16. Chic (adjective): Elegantly and stylishly fashionable.
Synonym: Stylish
Antonym: Unfashionable
17. Chicanery (noun): The use of trickery to achieve a political, financial, or legal purpose.
Synonym: Deception
Antonym: Honesty
18. Conduit (noun): A channel for conveying something, especially liquids or electricity.
Synonym: Channel
Antonym: Blockage
19. Cuckold (noun): A man whose wife is unfaithful.
Synonym: Husband
Antonym: Faithful husband
20. Duress (noun): Threats or pressure used to force someone into action.
Synonym: Coercion
Antonym: Freedom
21. Ebullient (adjective): Overflowing with enthusiasm or excitement.
Synonym: Enthusiastic
Antonym: Depressed
22. Eclectic (adjective): Drawing from a variety of sources or styles.
Synonym: Diverse
Antonym: Narrow
23. Equivocal (adjective): Ambiguous or having more than one possible meaning.
Synonym: Unclear
Antonym: Clear
24. Fecund (adjective): Fertile or capable of producing an abundance of offspring.
Synonym: Fertile
Antonym: Infertile
25. Flout (verb): To openly disregard or mock a rule or law.
Synonym: Defy
Antonym: Obey
26. Maxi- (prefix): Large or maximum size. (Example: Maximal)
Synonym: Large
Antonym: Mini
27. Medio- (prefix): Middle or moderate. (Example: Medium)
Synonym: Average
Antonym: Extreme
28. Megalo- (prefix): Large or great in size. (Example: Megaphone)
Synonym: Large
Antonym: Micro
29. -Meter (suffix): A device used to measure something. (Example: Thermometer)
Synonym: Gauge
Antonym: None
30. Micro- (prefix): Small or tiny. (Example: Microscope)
Synonym: Tiny
Antonym: Macro
31. Mis- (prefix): Wrong or badly. (Example: Misunderstand)
Synonym: Incorrect
Antonym: Correct
32. Mono- (prefix): One or single. (Example: Monologue)
Synonym: Single
Antonym: Multi
33. Morpho- (prefix): Form or shape. (Example: Morphology)
Synonym: Shape
Antonym: None
34. Moto- (prefix): Related to movement. (Example: Motor)
Synonym: Movement
Antonym: None
35. Neuro- (prefix): Related to nerves or the nervous system. (Example: Neurology)
Synonym: Nerve
Antonym: None