check

The word "check" is surprisingly multifaceted, acting as both a verb and a noun with several distinct meanings. At its core, "to check" often involves examination or verification. You might check your work for errors, check the weather forecast before a trip, or check if the stove is off before leaving. This sense implies a process of ensuring something is correct, safe, or in order.

Just as often, "check" signifies restraint or control. A sudden stop can be described as checking your momentum. In sports like hockey, a "check" involves intentionally impeding an opponent's progress. More generally, a rule, cost, or consequence can act as a check on behavior—something that holds it back or keeps it within limits.

"Check" also appears in everyday routines around processes and hand-offs. You can check in at a hotel or for a flight, check out of a hotel (or check out a library book), and check a bag at the airport or check your coat at a venue. In these cases, the idea is to register, record, or leave something in someone else's care for a while.

As a noun, "check" has even broader applications. The most common are the bill presented at a restaurant or the written order used to pay money from a bank account (often spelled "cheque" outside the US). It also refers to the small mark (✓) used to indicate that an item on a list has been verified, or a pattern consisting of alternating colored squares, like a checkered flag or a flannel shirt.

In chess, "check" is also the warning that the king is under immediate threat (and "in check" describes that position). Historically, the word entered English through the chess term (via Old French), and that origin helps explain how the idea of a threatened king grew into modern senses like stopping, restraining, and then verifying. Whether you are settling a bill, marking a task as complete, or curbing an impulse, "check" remains one of the most versatile words in the English language.