This runner is ultra fast, he breaks all the records.

During the protest, the police had to intervene to calm the extremists who were starting to become violent.

The government rejected the ultimatum set by the rebels.

Ultrasound is used for medical imaging.

This laboratory is equipped with state-of-the-art equipment.

Ultra-sonic frequencies are inaudible to humans.

This device uses ultrasonic waves to clean deeply.

This document is top-secret.

Ultra-processed foods often contain artificial additives.

This cleaner uses ultrasonic technology to remove dirt.