Here are some examples:
* Ultrasonic: Sounds beyond the range of human hearing.
* Ultraviolet: Light beyond the visible spectrum.
* Ultramarathon: A race exceeding the standard marathon distance.
* Ultra-modern: Extremely modern.
Other prefixes that can convey a similar meaning, though not exactly the same, include:
* Hyper-: Indicates something above or beyond the normal or expected.
* Super-: Indicates something exceeding the usual or normal.
* Extra-: Indicates something in addition to or beyond the usual or expected.