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biosimilar

American  
[bahy-oh-sim-uh-ler] / ˌbaɪ oʊˈsɪm ə lər /

noun

  1. a biopharmaceutical that is very similar, but not identical, to a previously manufactured one.

    Do the biosimilars require fewer clinical trials?


adjective

  1. of or relating to biopharmaceuticals that closely resemble previously manufactured ones.

    biosimilar products; biosimilar medicine.

Etymology

Origin of biosimilar

First recorded in 2000–05; bio(pharmaceutical) ( def. ) + similar ( def. )

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.

See Examples For:

Assuming the drug goes to market, Citi’s Meacham believes it’s “unlikely to be a meaningful share mover given the intensifying competitive landscape and approaching biosimilar headwinds” in the second half of the year.

From Barron's May 18, 2026

So, the PBMs had every financial incentive to keep selling Humira rather than provide patients with a much less expensive biosimilar version of the medicine.

From MarketWatch Apr. 7, 2026

The South Korean biosimilar company’s operating profit could jump 42% to 1.657 trillion won, with revenue up 26%, this year, the DB analyst writes in a note.

From The Wall Street Journal Mar. 17, 2026

Stock rose 6.4% after the company bumped up its revenue guidance thanks to growth in its biosimilar product range.

From The Wall Street Journal Mar. 2, 2026

Related to that, we are going to have the mother of all generic and biosimilar drug cycles from 2026 to 2036.

From Barron's Jan. 9, 2026

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