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Synonyms

biologic

American  
[bahy-uh-loj-ik] / ˌbaɪ əˈlɒdʒ ɪk /

noun

  1. Pharmacology. Usually biologics. Also biological any diagnostic, preventive, or therapeutic preparation, as a serum or vaccine, derived from animal products or other biological sources.

    Most of our biologics are isolated from human tissue.


adjective

  1. Biology. biological.

Etymology

Origin of biologic

First recorded in 1850–55; biolog(y) ( def. ) + -ic ( 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.

I tried two different biologic drugs, shots that required me to see an allergist every few weeks.

From The Wall Street Journal • Feb. 13, 2026

KeyBanc analyst Scott Schoenhaus sees an opportunity there, saying in a research note that biologic data is “complex, higher-dimensional, and harder to standardize.”

From Barron's • Feb. 9, 2026

Researchers are working to better understand what drives the condition and to test a wide range of possible therapies, from structured rehabilitation programs to antivirals, blood thinners, anti-inflammatory drugs, supplements, and new biologic treatments.

From Science Daily • Jan. 8, 2026

In rheumatoid arthritis, where the immune system attacks joint linings, biologic drugs can control inflammation and prevent damage—though they may also raise infection risk or cause fatigue and nausea.

From The Wall Street Journal • Nov. 23, 2025

The biologic science of recent years has been making this a more urgent fact of life.

From "The Lives of a Cell" by Lewis Thomas