Grade

10th grade vocabulary words

A suggested collection for 10th grade practice. Read the meanings, try the examples, and use each word in a sentence of your own.

Word	Meaning	In a sentence
ameliorateverb	To make a harmful or difficult situation better.	The extra bus service should ameliorate crowding during the morning rush.
ephemeraladjective	Lasting for only a short time.	The ephemeral rainbow faded before I could find my camera.
fortuitousadjective	Happening by chance, especially in a helpful or lucky way.	A fortuitous meeting at the library led to a new research partner.
gregariousadjective	Enjoying the company of other people.	Our gregarious host introduced every guest to someone new.
impetuousadjective	Acting quickly on a strong feeling without thinking through the result.	In an impetuous moment, Leo volunteered to lead the event before checking his schedule.
mitigateverb	To make a harmful effect, problem, or risk less severe.	Planting trees can help mitigate heat in a paved courtyard.
salientadjective	Standing out as especially noticeable or important in a particular context.	The summary identifies the most salient points from the debate.
sardonicadjective	Using dry, often bitter humor to show criticism or scorn.	When the printer jammed again, Jo gave it a sardonic smile and called it our most reliable machine.
tenuousadjective	Weak, uncertain, or supported by very little evidence.	The claim rests on a tenuous link between two unrelated events.
ubiquitousadjective	Found in so many places that it seems to be everywhere.	Bright yellow umbrellas were ubiquitous along the rainy shopping street.