deteriorate

Just like an old house left in the rain will deteriorate – meaning it will slowly get damaged and fall into disrepair – many things can deteriorate over time. It doesn't usually happen all at once, but rather as a slow slide downward. You might say someone's health deteriorates after an illness, or that a relationship deteriorates if people stop communicating. Sometimes deterioration is natural, like fruit going bad on the counter. Other times, it's caused by neglect or damage.

Think of a beautiful painting left in sunlight – over time, the colors will fade and the canvas might crack. That's deterioration in action! It can also be used in a less physical way: if trust deteriorates between friends, their bond weakens.

To deteriorate means to become progressively worse; to decline in quality, condition, or strength. It suggests a gradual process of decay or weakening rather than a sudden collapse. For example: "The old bridge was deteriorating rapidly and needed to be replaced," or "Her eyesight began to deteriorate with age."

Deteriorate can apply to physical things like buildings, objects, or health – but also to abstract concepts like relationships, trust, or even political situations. You might say, "The negotiations deteriorated after the disagreement," meaning they became less productive and more strained.

In everyday English, it's most often used like this: something deteriorates (it gets worse over time). You can also use it to mean "make something worse," but that use is less common.

It's important to note that while deterioration is usually viewed as negative, it can be a natural part of life. A fallen leaf can deteriorate into compost, eventually enriching the soil. However, in most contexts, "deteriorate" carries a sense of loss, weakening, or decline.

The word comes from the Latin deteriorare, meaning "to make worse." It implies a movement away from a previous state of good condition. Whether you're describing a crumbling building, a failing health condition, or a strained relationship, to deteriorate is to gradually become weaker, less effective, or more damaged over time.