After five years of active service, she decided to leave the army and pursue a civilian career.

Researchers are developing new active materials to improve battery performance.

Researchers compared several active matrixes to identify the most energy-efficient design for the new displays.

The old facility still contained radio-active waste from experiments decades ago.

The deep-sea fish relies on active photolocation to locate prey in the surrounding darkness.

He preferred Greek active partners, so he rarely pursued relationships with men who wanted to be passive.

On his dating profile he described himself as a French active partner, using outdated gay slang to show he preferred to give rather than receive fellatio.

Our department adopted active learning to encourage students to design projects and lead discussions.

In the grammar workshop, the instructor explained the differences between passive constructions and active voices.

The linguist described the newly discovered verb form as pseudo-active, noting its atypical agent marking.