poly·​cys·​tic ˌpä-lē-ˈsi-stik How to pronounce polycystic (audio)
: having or involving more than one cyst
polycystic kidneys
a polycystic disease

Examples of polycystic in a Sentence

Recent Examples on the Web My Big Fat Fabulous Life follows Whitney Thore’s emotional journey after being diagnosed with polycystic ovarian syndrome. Josie Howell | Jhowell@al.com, al, 5 Sep. 2023 My Big Fat Fabulous Life focuses on the life of Whitney Thore, a former dancer who gained hundreds of pounds after being diagnosed with polycystic ovarian syndrome. oregonlive, 5 Sep. 2023 Those include structural issues (such as fibroids, polyps or tumors) and non-structural problems (for example, blood clotting disorders, stress, thyroid diseases, polycystic ovarian syndrome, medications, excess exercise or certain contraceptives). Kaitlyn Phoenix, Good Housekeeping, 29 June 2023 The compound is thought to help manage high cholesterol, type 2 diabetes, polycystic ovarian syndrome (PCOS), and obesity. Danielle Blundell, Women's Health, 22 June 2023 Heavy menstrual bleeding can also result from abnormal hormone levels, such as thyroid irregularities and polycystic ovarian syndrome (PCOS). Nick Blackmer, Verywell Health, 20 June 2023 The TikTok couple, who has documented their fertility journey as Demi, 29, navigates multiple sclerosis (MS) and polycystic ovarian syndrome (PCOS), have welcomed their rainbow baby, a rep for the couple confirms to PEOPLE. Angela Andaloro, Peoplemag, 27 May 2023 Doctors eventually diagnosed Murgatroyd with polycystic ovarian syndrome, a hormonal imbalance that can cause a woman not to ovulate regularly. Lanae Brody, PEOPLE.com, 21 June 2022 The most common form of endometrial cancer is often related to an excess amount of estrogen, either taken as a prescription or produced by the body (such as with polycystic ovarian syndrome or obesity). Dr. Keith Roach, oregonlive, 6 Apr. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'polycystic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


poly- + cystic

First Known Use

1861, in the meaning defined above

Time Traveler
The first known use of polycystic was in 1861

Dictionary Entries Near polycystic

Cite this Entry

“Polycystic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polycystic. Accessed 3 Oct. 2023.

Medical Definition


poly·​cys·​tic -ˈsis-tik How to pronounce polycystic (audio)
: having or involving more than one cyst
polycystic kidneys
polycystic disease

More from Merriam-Webster on polycystic

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