Deteriorate

To deteriorate means to get worse over time, like when a toy breaks or food spoils and isn't as good as it used to be.

Examples

• If we don’t take care of our school supplies, they will deteriorate and become unusable over time.
• The old tree in our backyard started to deteriorate after the storm, losing many of its leaves and branches.
• If you leave your sandwich out too long, it will deteriorate and won't be safe to eat.

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Antonyms