regaining russian

• отвоёвывавший

  who was winning back, who was regaining, who was reconquering

• отвоёвывающий

  winning back, regaining, reconquering

• отрезвля́ющийся

  sobering up, regaining sobriety

  sobering, disillusioning, becoming realistic

• трезве́вший

  sobering up, having sobered up, regaining sobriety

Examples

• Наш пацие́нт прихо́дит в себя.

  Our patient is regaining consciousness.