Umami refers to the taste sensation that is produced by several amino acids and nucleotides and that has a rich or meaty flavor characteristic of cheese, cooked meat, mushrooms, soy, and ripe tomatoes.

// The chef’s secret ingredient added the perfect burst of umami to the signature dish.

Oracular is a formal word that can describe something used to forecast or prophesize, or something that resembles or relates to something used for such purposes. Oracular can also describe something that resembles an oracle—a person (such as a priestess of ancient Greece) through whom a deity is believed to speak; in this sense, an oracular statement, voice, etc. conveys wisdom or solemnity.

// A few recordings of the famous speaker still exist, and though his language is formal to the point of sounding almost foreign to the modern listener, the oracular quality of his speech remains effective.

Symbiosis is a formal word that refers to a relationship between two people or groups that work with and depend on each other. In biology, symbiosis refers to the relationship between two different kinds of living things that live together and depend on each other.

// The new playground is the result of symbiosis between multiple stakeholders, including residents, donors, and town officials.

// The bacteria exist in symbiosis with the plant’s roots.

Jaundiced means “showing or influenced by feelings of distrust, distaste, or hostility.” Someone described as jaundiced, or as possessing jaundiced opinions or views, is typically understood to feel that way because of negative past experiences.

// She developed a jaundiced view of politics after years of chairing her local school board committee and witnessing all kinds of petty shenanigans.

Pantheon usually refers to a group of famous or notable people or things. It also refers to the officially recognized gods of a particular people, as well as to the Roman Pantheon, the domed temple begun in 27 B.C. and rebuilt circa 118-128 A.D.

// With her induction into the Rock and Roll Hall of Fame, the distinguished bassist and songwriter joined a pantheon of musical legends.

// His research is primarily dedicated to the Greek and Roman pantheons.

Pantheon usually refers to a group of famous or notable people or things. It also refers to the officially recognized gods of a particular people, as well as to the Roman Pantheon, the domed temple begun in 27 B.C. and rebuilt circa 118-128 A.D.

// With her induction into the Rock and Roll Hall of Fame, the distinguished bassist and songwriter joined a pantheon of musical legends.

// His research is primarily dedicated to the Greek and Roman pantheons.

To quail is to feel afraid and often to show your fear in a way that can be clearly seen.

// Although giving a 5-minute speech was a requirement for passing the class, a few students quailed at the thought of public speaking, seeming to shrink behind their desks.

Cavalcade most often refers to a series of related things. An older meaning, still in use, is “a procession of riders or carriages”; vehicles or ships in a procession can be referred to as a cavalcade too.

// Since the high-powered console’s debut late last year, video game companies have steadily unveiled a cavalcade of new games that showcase its groundbreaking graphics.

Longueur refers to a boring part of something (such as a book or play). It is usually used in the plural form.

// Though not without its longueurs, the opera came to life in the last act.

Indomitable is a formal word used to describe something that is impossible to defeat or discourage.

// Juneteenth celebrates the abolition of slavery in the United States, and honors the indomitable spirit of African Americans past and present fighting for justice, liberation, and the fulfillment of this nation’s ideals.