Ephemeral
lasting for a very short time.
"The beauty of the sunset was ephemeral, disappearing as quickly as it came."
Panacea
a solution or remedy for all problems or difficulties.
"There is no panacea for all the world’s issues, but small changes can make a difference."
Juxtapose
to place different things side by side for comparison or contrast.
"The artist juxtaposed dark and light colors to create a striking contrast."
Lethargic
sluggish and lacking in energy.
"I felt lethargic after staying up late, struggling to focus on my work."
Ineffable
too great or extreme to be described or expressed in words.
"The beauty of the ancient ruins was ineffable, leaving us in awe."
Ubiquitous
present, appearing, or found everywhere.
"Smartphones have become ubiquitous in modern society."
Lugubrious
looking or sounding sad and dismal.
"His lugubrious expression suggested that something was bothering him."
Untenable
not able to be maintained or defended against attack or objection.
"His argument became untenable when new evidence was presented."
Mellifluous
(of a voice or words) sweet or musical; pleasant to hear.
"The singer’s mellifluous voice captivated the audience."
Conundrum
a confusing and difficult problem or question.
"We faced a conundrum when deciding which path to take on our journey."
Ineffable
too great or extreme to be expressed in words.
"The beauty of the landscape was ineffable, leaving us speechless."
Sycophant
a person who acts obsequiously toward someone important in order to gain advantage.
"The office sycophant always flatters the boss to get ahead."
Voracious
having a very eager approach to a particular activity or pursuit.
"She has a voracious appetite for reading, finishing several books a week."
Nefarious
(typically of an action or activity) wicked, villainous, or criminal.
"The nefarious plot was uncovered before it could do any damage."
Abstruse
difficult to understand; obscure.
"The professor’s abstruse explanation left most of the students confused."
Serendipity
the occurrence of events by chance in a happy or beneficial way.
"Meeting my old friend in the city was pure serendipity."
Alacrity
brisk and cheerful readiness.
"She accepted the invitation with alacrity, eager to attend the event."
Recalcitrant
stubbornly resisting authority or control.
"The recalcitrant employee refused to follow the new company policies."
Disparate
essentially different in kind; not allowing comparison.
"The two companies were so disparate that it was difficult to find any common ground."
Vitriol
cruel and bitter criticism.
"His vitriol toward the new policy was evident in his speech."
Quixotic
exceedingly idealistic; unrealistic and impractical.
"His quixotic dreams of changing the world through art were admirable but unrealistic."
Pernicious
having a harmful effect, especially in a gradual or subtle way.
"The pernicious effects of social media on mental health are becoming more evident."
Capricious
given to sudden and unaccountable changes of mood or behavior.
"Her capricious nature made it hard to predict how she would react in any given situation."
Irascible
having a tendency to be easily angered.
"His irascible nature often caused conflicts with colleagues."
Circumspect
wary and unwilling to take risks; cautious.
"She was circumspect about signing the contract without reading it thoroughly."