Wane Meaning: To decrease in size or strength. Example: The moon waned into a crescent.

Vicissitude Meaning: A change of circumstances. Example: He endured the vicissitudes of life.

Umbrage Meaning: Offense or annoyance. Example: He took umbrage at the remark.

Truncate Meaning: To shorten by cutting off. Example: The article was truncated for the newsletter.

Spurious Meaning: Not genuine. Example: The claims were spurious and unverified.

Ruminate Meaning: To think deeply. Example: She ruminated on her options before deciding.

Quell Meaning: To suppress or put an end to. Example: The army quelled the uprising.

Parsimony Meaning: Extreme unwillingness to spend. Example: His parsimony bordered on miserliness.

Ostentatious Meaning: Designed to impress. Example: The house was decorated in an ostentatious way.

Nadir Meaning: The lowest point. Example: He reached the nadir of his career.

Meander Meaning: To wander aimlessly. Example: They meandered through the park.

Lacuna Meaning: An unfilled space or gap. Example: There was a lacuna in the historical record.

Kinetic Meaning: Relating to motion. Example: Kinetic energy increases with speed.

Judicious Meaning: Having good judgment. Example: The decision was judicious and well-reasoned.

Indolent Meaning: Lazy or sluggish. Example: The indolent student never completed assignments.

Heinous Meaning: Utterly wicked. Example: The crime was heinous.

Guile Meaning: Sly or cunning intelligence. Example: He used guile to escape the situation.

Fecund Meaning: Capable of producing abundance. Example: The fecund land produced a rich harvest.

Effervescent Meaning: Vivacious and enthusiastic. Example: Her effervescent personality was contagious.

Dogmatic Meaning: Asserting opinions arrogantly. Example: His dogmatic tone ended the debate.