In the context of the movie "Rush," directed by Ron Howard, "to rush" refers to the intense and exhilarating pursuit of speed and victory in Formula 1 racing. The film chronicles the fierce rivalry between drivers James Hunt and Niki Lauda during the 1976 racing season. It captures the adrenaline, passion, and risks associated with racing, highlighting how both drivers "rush" towards their goals, embodying the thrill of competition and the personal sacrifices made in the pursuit of greatness.

In the context of the movie "Rush," which depicts the intense rivalry between Formula 1 drivers James Hunt and Niki Lauda in the 1970s, the term "biggest hit" can refer to the film's critical and commercial success. However, if you're asking about the band Rush, their biggest hit is often considered "Tom Sawyer," released in 1981. The song is known for its distinctive synthesizer riff and complex structure, making it a staple in progressive rock and one of their most recognizable tracks.

The lead singer of Rush, Geddy Lee, is alive as of October 2023. However, the band's drummer and primary lyricist, Neil Peart, passed away on January 7, 2020, after a battle with brain cancer. His death marked the end of an era for the band, which was known for its intricate compositions and thought-provoking lyrics. Rush officially disbanded in 2018 after completing their final tour, "R40," in 2015, due to Peart's retirement from touring and subsequent health issues.

Rush disease is not a recognized medical condition; however, the term may refer to a phenomenon in the context of the film "Rush," which depicts the intense rivalry between Formula 1 drivers James Hunt and Niki Lauda in the 1970s. The term could colloquially describe the adrenaline and thrill associated with high-speed racing, leading to a sense of urgency or risk-taking behavior. In the film, the characters experience the highs and lows of competitive motorsport, showcasing the passion and dangers inherent in their profession.