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off-label

American

[awf-ley-buhl, of‑] / ˈɔfˈleɪ bəl, ˈɒf‑ /

adjective

Informal.

of, relating to, or denoting a drug prescribed for a particular indication even though the drug has not yet received approval from the Food and Drug Administration for that disease, condition, or symptom.

off label British

adjective

(of a prescription drug) relating to use, or being used, in ways for which it has not been approved

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It’s widely assumed many fund investors use these ETFs off-label, hoping for results over longer periods.

From Barron's

They have launched direct-to-consumer sales websites, struck distribution deals with retail giants such as Walmart and Costco, and launched court battles against off-label rivals.

From BBC

In the case of weight-loss drugs in particular, drugmakers have been contending with an off-label industry in the US that popped up legally in response to shortages and has been tough to stamp out.

From BBC

Much of that success can be attributed to widespread use of Wegovy and Zepbound and the off-label prescription of GLP-1s approved for diabetes.

From MarketWatch

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023