Unequivocal
leaving no doubt; unambiguous.
"She gave her unequivocal support."
Obfuscate
to deliberately make something unclear.
"Politicians often obfuscate the truth."
Serendipity
finding something good without looking for it.
"They met by pure serendipity."
Albeit
although; even though.
"A small, albeit important, detail."
Quintessential
representing the most perfect or typical example.
"She is the quintessential artist—passionate and unconventional."
Impetuous
acting quickly without thought.
"An impetuous decision can cost you."
Ubiquitous
present, appearing, or found everywhere.
"Smartphones are ubiquitous these days."
Ephemeral
lasting for a very short time.
"Fame is ephemeral."
Notwithstanding
in spite of.
"Notwithstanding his nerves, he delivered a great speech."
Circumspect
cautious and unwilling to take risks.
"He was circumspect in giving out personal information."
Nonplussed
utterly bewildered or unsure how to respond.
"He was nonplussed by the unexpected compliment."
Sagacious
wise or shrewd.
"A sagacious leader anticipates change."
Lugubrious
looking or sounding sad and dismal (in a theatrical way).
"He gave a lugubrious sigh."
Therein
in that place or situation.
"The answer lies therein."
Aplomb
self-confidence or assurance, especially in a demanding situation.
"She handled the debate with remarkable aplomb."
Ineffable
too great or extreme to be expressed in words.
"The ineffable beauty of the sunset..."
Recalcitrant
stubbornly resistant to authority.
"The recalcitrant student refused to comply."
Susurration
a soft whispering or rustling sound.
"The susurration of leaves in the breeze..."
Behoove
to be necessary or proper for.
"It behooves you to study."
Juxtapose
to place things side by side for contrast.
"The film juxtaposes wealth and poverty brilliantly."
Verisimilitude
the appearance of being true or real.
"The film lacks verisimilitude."
Vociferous
loud and forceful in expressing opinions.
"He was a vociferous critic of the policy."
Pernicious
having a harmful effect, especially in a subtle way.
"Pernicious stereotypes still linger."
Caveat
a warning or proviso.
"He agreed with a caveat."
Intransigent
unwilling to change one’s views or agree.
"They remained intransigent despite negotiations."