1. dictatorial
Definition:  of, relating to, or befitting a dictator
Example: He was given dictatorial powers.
2. cremate
Definition: to reduce (as a dead body) to ashes by burning
Example: He wants to be cremated when he dies.
3. glutton
Definition: one given habitually to greedy and voracious eating and drinking
Example: He's such a glutton that he ate the whole cake.
4. peripheral
Definition: not relating to the main or most important part
Example: If we focus too much on peripheral issues, we will lose sight of the goal.
5. preternatural
Definition: very unusual in a way that does not seem natural
Example: There was a preternatural quiet in the house.
6. somber
Definition: very sad and serious
Example: The movie is a somber portrait of life on the streets.
7. convoy
Definition: to travel with and protect
Example: The tankers were convoyed by warships.
8. preeminent
Definition: more important, skillful, or successful than others : better than others
Example: The poem is a preeminent example of his work.
9. adultery
Definition: sex between a married person and someone who is not that person's wife or husband
Example: He found out that his wife had committed adultery.
10. ostensibly
Definition: to all outward appearances
Example: Ostensibly a university student studying abroad, he was actually an espionage agent.
11. aristocracy
Definition: the highest social class in some countries
Example: At one time in China only the aristocracy could own land.
12. perquisite
Definition: a privilege, gain, or profit incidental to regular salary or wages
Example: Use of the company's jet is a perquisite of the job.
13. deceitful
Definition: not honest : making or trying to make someone believe something that is not true
Example: The deceitful salesman neglected to mention some important information about the used car.
14. ephemeral
Definition: lasting a very short time
Example: The autumnal blaze of colors is always to be treasured, all the more so because it is so ephemeral.
15. ingrain
Definition: to work indelibly into the natural texture or mental or moral constitution
Example: The journalism professor has long ingrained his students with a deep respect for their chosen profession.
16. nostalgia
Definition: pleasure and sadness that is caused by remembering something from the past and wishing that you could experience it again
Example: He was filled with nostalgia for his college days.
17. skepticism
Definition: an attitude of doubting the truth of something
Example: It's good to maintain a healthy skepticism about fad diets.
18. irretrievability
Definition: impossible to recover or get back
Example: The data was irretrievable after the computer crashed.
19. sordidness
Definition: very bad or dishonest
Example: He shared the sordid details of his past.
20. eulogy
Definition: a speech that praises someone who has died
Example: He delivered a moving eulogy at his father's funeral.
21. liaison
Definition: a person who helps organizations or groups to work together and provide information to each other
Example: Administrators need to maintain better liaison with employees.
22. fleeting
Definition: not lasting : lasting for only a short time
Example: I caught a fleeting glimpse of the comet.
23. malice
Definition: a desire to cause harm to another person
Example: She claimed that her criticisms were without malice.
24. wicked
Definition: morally bad
Example: She played the part of the wicked stepmother in the play.
25. avert
Definition: to prevent (something bad) from happening
Example: The diplomatic talks narrowly averted a war.