"Frivolous" means carefree or flighty. "Advantageous" and "beneficial" are synonyms, as are "charitable" and "philanthropic." "Stingy" means cheap or miserly. "Lonely" means alone, solitary.

"Terse" means using very few words in order to make a point. "Concise" means using the minimum amount of words to communicate an idea. Given the similarities in meaning between these words, they are synonyms. While "terse"and "tense"may sound similar, they have different meanings and therefore are not synonyms.

"Impertinent" and "insolent" are synonyms. "Saccharine" means overly sweet or sentimental. "Depraved" means corrupt or morally degenerate. "Impartial" and "unbiased" are synonyms, as are "prophetic" and "farsighted."

"Sedulous," like diligent, is a word that means "hardworking." "Indolent" is an antonym that means lazy. "Aggressive" and "antagonistic" are synonyms. "Infuriating" means maddening.

The adjective "eccentric" is usually used to describe certain people and means odd, unusual, prone to weird behavior.

"Solipsistic" means egotistical or focused on the self. "Confident" means self-assured, as does "self-possessed." "Lurid" is a synonym for bright, colorful, sensational, or overly dramatic. "Deleterious" means harmful.

"Fiesty" means lively or spunky, so "lively," which means full of energy, is the correct answer. "Depressed" means sad and gloomy. "Radiant" means bright or very shiny. "Bad-tempered" means easily irritated or upset. "Fertile" means fruitful, able to produce a lot of crops, or capable of conceiving.

Something "tacit" is understood without being spoken, implicit. This is an antonym for "explicit." "Ecstatic" means euphoric, and "jubilant" means overjoyed. "Eligible" and "qualified" are synonyms.

"Adept" means "adroit." 'Peachy" means fine, and "leery' means cautious. "Magnanimous" means generous. "Dire" means urgent.

"Misanthropic" means unfriendly and "antisocial." "Apocryphal" means false or fictitious. "Vituperative" is another word for bitter, and "ingenious" is another word for clever, crafty, or innovative. "Inexorable" means unstoppable or unyielding.