Dictionary.com
Thesaurus.com

antibiotics

  • plural
    of antibiotic.
    antibiotic
    noun
    any of a large group of chemical substances, as penicillin or streptomycin, produced by various microorganisms and fungi, having the capacity in dilute solutions to inhibit the growth of or to destroy bacteria and other microorganisms, used chiefly in the treatment of infectious diseases.

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:

"You have a perfect storm that defies antibiotics."

From Science Daily ● Oct. 23, 2026

She was not given a potentially life-saving dose of intravenous antibiotics for more than seven hours.

From BBC ● Oct. 20, 2026

This includes new antibiotics and antivirals, as well as antifungals—anti-anything that could be used against us.

From The Wall Street Journal ● Oct. 14, 2026

Additional allegations included forced labor on fishing vessels and reliance on harmful pesticides and antibiotics.

From Los Angeles Times ● Oct. 9, 2026

Sometimes there is no food for the migrants; she must ration antibiotics and not give patients a full dose; she runs out of gauze and must use boiled rags instead.

From "Enrique's Journey" by Sonia Nazario