English

The word "vindictive" means having or showing a strong desire for revenge. Among the options, "revengeful" is the closest synonym, as it directly relates to seeking revenge. The other options do not convey this meaning.

The word "tenable" means capable of being held, maintained, or defended, especially in argument or debate. "Defensible" is a direct synonym, meaning able to be defended or justified, making it the correct answer.

The word 'insurrection' means a violent uprising against authority or government, which is synonymous with 'revolt'. The other options do not convey the same meaning of an organized rebellion.

The word "hover" means to remain in the air above one spot, which matches option A. The other options describe different actions that are not synonyms of "hover."

The word "reverie" means a state of being pleasantly lost in one's thoughts; a daydream. Therefore, "daydream" is the correct synonym.

The word 'hegemony' means leadership or dominance, especially by one country or social group over others. Among the options, 'dominance' is the correct synonym.

"Lackluster" means lacking in vitality, force, or conviction; dull. Among the options, "dull" is the closest synonym, as it conveys a lack of brightness or interest, matching the meaning of "lackluster."

The word "pronto" means "immediately" or "without delay," which aligns best with "urgently." While "quickly" is close, "urgently" captures the sense of immediate necessity more precisely.

The word "saturnine" means gloomy or morose, so the synonym among the options is "gloomy." The other options do not share this meaning.

The word "halcyon" means calm, peaceful, or tranquil, so the synonym "calm" is the correct choice. The other options do not match the meaning of "halcyon."