"Temerity" is another word for reckless courage or boldness. The best choice is "boldness" because it is a part of the definition of "temerity." Considering the other choices, "harmony" is agreement, "loose" means free or released from attachment, and "visible" means possible to see.

"Treason" means betrayal or disloyalty to one's country, so "betrayal" is the correct answer. A "passage" is a narrow path used to reach a location. "Warden" means the official who runs a prison. "Habitat" means the home or area where an animal or plant lives. An "editorial" is an opinionated article published by a newspaper or news source, and when used as an adjective, "editorial" means having to do with the editing of written works in preparation for their publication.

"Gossip" is rumor or information that is covertly passed around, often about a particular person, that has not necessarily been substantiated. A "hemisphere" is one half of a globe or sphere, as you may have guessed from the word's use of the prefix "hemi-," which means half. "Jealousy" is a feeling of envy or wanting something another person has. A "paleontologist" is a scientist who studies fossils. A "matinee" is a performance or movie held during the afternoon that often costs less to attend than an evening event of the same type.

An "adage" is a common expression. "Saying," which means an expression commonly said by a group, is the best choice. Considering the other choices, "gain" means profit, "divulgence" means making something private known, and "carouse" means party loudly and excessively.

A “plethora” is an excess of things; having more of something than you need. To provide further guidance, "scarce" means little or rare; "nullify" means cancel, render void, invalidate; "gumption" is confidence and bravado; "obliterate" means completely destroy.

A "bulletin" is an announcement. To help you, a "rebuttal" is a speech given in reply during an argument or debate; "resignation" means notice given when quitting a job; "abdication" means to give up the throne; "resettlement" is a name given to somewhere people used to live that people are now moving back to.

A "façade" is an illusion; something not true, designed to hide the truth. For example, behind the façade of a beautiful innocent-looking young woman was the soul of a calculating and merciless criminal.

A “breach” is a failure to maintain something, like a law or a promise. To “breach” is to break a law or a promise. To provide further guidance, "construe" means interpret; "comprehend" means understand; "terminate" means end, and "commence" means begin.

A “windfall” is an unexpected bonus amount of money, usually won in a game or received due to luck. To provide further guidance, "exotic" means foreign, from abroad; "apt" means appropriate, fitting; "banished" means sent away; "stance" means opinion on an issue or the way someone is standing.

“Alacrity” is a noun used to describe enthusiasm, readiness and eagerness, so "enthusiasm" is the correct answer. To provide further guidance, "dread" is another name for deep fear.