sul·​fon·​amide ˌsəl-ˈfä-nə-ˌmīd How to pronounce sulfonamide (audio)
: any of various amides (such as sulfanilamide) of a sulfonic acid
also : sulfa drug

Examples of sulfonamide in a Sentence

Recent Examples on the Web The researchers examined which children had been given prescriptions for penicillin, penicillin with B-lactamase inhibitor, cephalosporin, sulfonamide or macrolide within the first six months of life. Jacqueline Howard, CNN, 20 Dec. 2019 Any positive test results for sulfonamides could be the result of leftover antibiotics from that time or intentional misuse, Jonker said. Rebekah Tuchscherer, USA TODAY, 26 June 2019 Other antibiotics found to raise the risk of miscarriage include most macrolides, quinolones, tetracyclines, sulfonamides and metronidazole. Paul Sisson,, 2 May 2017

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

Word History


sulfonic + amide

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of sulfonamide was in 1881

Dictionary Entries Near sulfonamide

Cite this Entry

“Sulfonamide.” Dictionary, Merriam-Webster, Accessed 21 May. 2024.

Medical Definition


variants or chiefly British sulphonamide
: any of various amides (as sulfanilamide) of a sulfonic acid
also : sulfa drug

More from Merriam-Webster on sulfonamide

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