antiparasitic

adjective

an·​ti·​par·​a·​sit·​ic ˌan-tē-ˌper-ə-ˈsi-tik 

-ˌpa-rə-,

ˌan-tī-

variants or anti-parasitic

: acting against parasites : used or intended to kill, repel, or remove parasites

antiparasitic drugs/medicine

antiparasitic noun

or anti-parasitic

Most consumer spending is still on traditional pet medications like antiparasitics …

—James Vlahos

Examples of antiparasitic in a Sentence

Recent Examples on the Web

The idea of using antiparasitic drugs as cancer treatments was already taking hold by the late 2010s, Skyler Johnson, a Utah radiation oncologist who studies medical misinformation, told me. —Benjamin Mazer, The Atlantic, 17 June 2025

Earlier in the pandemic, then-President Donald Trump had encouraged the use of both hydroxychloroquine, an antimalarial drug, and ivermectin, an antiparasitic medication, to treat the virus. —Suzanne King, Kansas City Star, 13 May 2025

The oral medication used is ivermectin, an antiparasitic drug. —Sarah Bradley, Health, 22 Mar. 2025

The standard treatment for CLM is ivermectin, an antiparasitic drug that still doesn't work against COVID-19 (despite what the new US health secretary has falsely claimed), but has proven useful against hookworms. —Ars Technica, 21 Feb. 2025

Word History

First Known Use

1857, in the meaning defined above

Rhymes for antiparasitic

• autocatalytic
• photocatalytic
• psychoanalytic
• analytic
• anxiolytic
• astrocytic
• austenitic
• catalytic
• cytolytic
• dioritic
• diphtheritic
• dolomitic

Medical Definition

antiparasitic

adjective

an·​ti·​par·​a·​sit·​ic ˌant-i-ˌpar-ə-ˈsit-ik, ˌan-ˌtī- 

: acting against parasites

antiparasitic drugs