Words List

A paid announcement of goods for sale, typically found in newspapers, magazines, radio, television, or the internet.

A tough outer covering of an animal, such as the sturdy case of a mollusk, or either half of the case of a bivalve mollusk.

Without any delay or waiting; instantly; at once.

The authority or privilege to make a choice; the power or right of choosing.

The spatial dimensions, proportions, magnitude, or bulk of anything.

Involving a highly important decision or result; decisive and critical.

To systematically examine, study, or inquire into; to search or examine the specifics of something in detail.

The ear is the organ of hearing and balance in vertebrates. In humans, it consists of an external ear that collects sound vibrations, a middle ear where these vibrations resonate against the tympanic membrane, and an internal ear filled with fluid that helps maintain balance. The internal ear also conducts the tympanic vibrations to the auditory nerve, which then transmits them as impulses to the brain.

Many times or frequently; used to describe how frequently something happens or is done.

Involving significant cost; having a high price or requiring substantial expense.

A musical instrument that consists of sets of pipes played using compressed air, controlled by keyboards, and capable of producing a wide range of musical effects; also known as a pipe organ.

A device or system that uses electricity to transmit sound or speech over a distance to another location.

In a clear and precise manner; with exact details or focus.

A group or band; for example, a gang of boys gathered around the winning pitcher.

A general or comprehensive division; a class.

At a high speed or with rapidity; happening or done in a short amount of time; very soon.

Not common or ordinary; rare or exceptional in amount or degree.

Pertaining to or associated with culture or cultivation.

Characteristic of or suitable for a friend; expressing or showing kindness and goodwill.

A main division of a book, treatise, or the like, usually identified by a number or title.

Throughout the world; extending or spread globally.

The activity or process performed by a person or thing to accomplish a task or achieve a result.

A tiny infectious agent, too small to be seen with a regular microscope (20 to 300 nanometers in diameter). Viruses are not alive on their own and can only replicate inside the cells of living hosts, such as bacteria, plants, and animals. They consist of a core of RNA or DNA, a protein coat, and, in more complex types, a surrounding envelope.

The act of introducing or the state of being introduced.

First or highest in rank or importance; chief; principal.

To feel a need or a desire for; to wish for something.

Having, using, or displaying good sense or sound judgment.

A city, town, or other place where ships load or unload.

A word or group of words that signifies a specific thing, especially within a particular field or context, such as "atom" in physics, "quietism" in theology, "adze" in carpentry, or "district leader" in politics.

A recognized or stated guideline for how one should behave or act; a fundamental belief or rule that guides ethical conduct or decision-making.