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intranasal

American  
[in-truh-ney-zuhl] / ˌɪn trəˈneɪ zəl /

adjective

  1. occurring within or administered through the nose.


Other Word Forms

Etymology

Origin of intranasal

First recorded in 1885–90; intra- + nasal 1

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.

The scientists are testing the vaccine as a regular shot and as an intranasal spray with the idea of stopping the virus in the respiratory tract before it causes a broad infection.

From Salon • May 6, 2025

A team of scientists, led by Duke-NUS Medical School, has discovered a potential intranasal vaccine candidate that provides improved, longer-lasting immunity against SARS-CoV-2 viruses compared to when given as an injection.

From Science Daily • Jan. 10, 2024

The FDA must approve vaccines for use by the public in the U.S., and this intranasal vaccine is not one of the COVID-19 shots with approval or emergency use authorization.

From Seattle Times • Oct. 13, 2023

The intranasal version of naloxone came about as a result of innovation by paramedics.

From Slate • Apr. 13, 2023

There is one intranasal vaccine given now — FluMist — but it uses a weak version of the live flu virus, which is not safe for immunocompromised people.

From The Verge • Jun. 23, 2022

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