What does the suffix hyper mean?

The suffix "hyper-" means excessive, above normal, or beyond the usual. It's often used to indicate a condition of being abnormally high or increased.

Here are some examples:

* Hypertension: High blood pressure

* Hyperglycemia: High blood sugar

* Hyperactive: Excessively active

* Hypersensitive: Extremely sensitive

* Hypertrophy: Abnormal enlargement of an organ or tissue

The opposite of "hyper-" is usually "hypo-," which means "below normal" or "deficient."