arbitrarily

Imagine a teacher picking students for a game—if they do it arbitrarily, they aren't choosing based on skill or fairness, just because! It means doing something based on a whim, impulse, or a quick random pick rather than any logical system. You might arbitrarily choose chocolate over vanilla ice cream, or an artist might arbitrarily select colors for a painting. It implies a lack of established criteria.

Think of it like flipping a coin to settle a debate—the outcome is arbitrary; there's no reason heads is better than tails. While sometimes necessary (like picking a restaurant when you don't care where you eat), acting arbitrarily can be frustrating if you need a reasoned decision!

The word arbitrarily describes an action or choice made without any specific system, plan, or logical reason. It implies randomness and a lack of predetermined criteria. The root comes from the Latin arbitrari, meaning "to decide at will."

You might say a computer program chooses a username arbitrarily, meaning there's no meaningful basis for the choice and the method isn't important—it might simply take the first available option. A boss who assigns tasks arbitrarily isn't considering employee skills or workload; they're simply handing things out on a whim.

However, "arbitrarily" isn't always negative. Sometimes, a decision is made arbitrarily simply because a choice—any choice—needs to be made. For example, the prime meridian (0° longitude) is at Greenwich; it could have been placed somewhere else, but the world needed a shared reference point.

The key is that the decision isn't based on relevant reasons (like evidence, fairness, or a clear rule), but instead on personal preference, impulse, convenience, or chance. It's important to note the difference between "arbitrary" and "random." While closely related, "random" means something is unpredictable or patternless by design (like rolling dice), while "arbitrary" means the choice isn't justified or grounded in a principled reason—and it might be random, but it can also be a fixed cutoff chosen "just because."

So, if something is done arbitrarily, it's happening on a whim—a decision pulled out of thin air, with no rhyme or reason behind it.