AIDS

noun

ˈādz 

: a disease of the human immune system that is characterized cytologically especially by reduction in the numbers of CD4-bearing helper T cells to 20 percent or less of normal thereby rendering the subject highly vulnerable to life-threatening conditions (such as Pneumocystis carinii pneumonia) and to some (such as Kaposi's sarcoma) that become life-threatening and that is caused by infection with HIV commonly transmitted in infected blood especially during illicit intravenous drug use and in bodily secretions (such as semen) during sexual intercourse

Examples of AIDS in a Sentence

Recent Examples on the Web

The celebrated Scottish film and screen actor, who was regarded as one of the brightest lights of his generation, died at the age of 40 from AIDS in 1990, and asked that the cause of his death be publicized to promote awareness and acceptance of the illness. —Melanie Goodfellow, Deadline, 30 June 2025

In 1985, the FDA approved Marinol, a synthetic form of THC called dronabinol, for cancer and AIDS patients, its sales are an estimated around at around $250 million annually. —Will Yakowicz, Forbes.com, 30 June 2025

Seventh on Sale set off a wave of HIV/AIDS initiatives. —Jordan Wake, Vogue, 30 June 2025

The clinic primarily served gay men and would later become a key site of early HIV and AIDS treatment in the region. —Veronica Fernandez-Alvarado, Sacbee.com, 29 June 2025

Word History

Etymology

acquired immunodeficiency syndrome

First Known Use

1982, in the meaning defined above

Phrases Containing AIDS

• AIDS-related complex
• AIDS virus
• anti-AIDS

Rhymes for AIDS

• aides
• blades
• braids
• cades
• fades
• glades
• grades
• jades
• maids
• nsaids
• raids
• shades

Kids Definition

AIDS

noun

ˈādz 

: a serious disease of the human immune system marked by destruction of a large proportion of the helper T cells in the body due to infection by the HIV virus commonly transmitted especially in blood and semen

Medical Definition

AIDS

noun

ˈādz 

: a disease of the human immune system that is characterized cytologically especially by a reduction in the numbers of CD4-bearing helper T cells to 20 percent or less of normal thereby rendering the subject highly vulnerable to life-threatening conditions (as Pneumocystis carinii pneumonia) and to some that become life threatening (as Kaposi's sarcoma) and that is caused by infection with HIV commonly transmitted in infected blood especially during illicit intravenous drug use and in bodily secretions (as semen) during sexual intercourse

called also acquired immune deficiency syndrome, acquired immunodeficiency syndrome