antiradical

adjective

an·​ti·​rad·​i·​cal

ˌan-tē-ˈra-di-kəl,

ˌan-tī- 

variants or anti-radical

1

: opposed to or hostile toward radical movements or ideologies

antiradical sentiment

a time of antiradical hysteria in the country

2

medical : counteracting the harmful effects of free radicals on the body

… employing antiradical agents to halt the neurological damage triggered by oxygen radicals after strokes or injuries to the head and spinal cord …

—Linda Marsa

antiradicalism noun

or anti-radicalism

ˌan-tē-ˈra-di-kə-ˌli-zəm 

ˌan-tī-

A similar form of conservative antiradicalism produced the Red Scare after the bombing of the home of Mitchell Palmer, the new attorney general in 1919 …

—Barbara Franz

Word History

First Known Use

1819, in the meaning defined at sense 1

Rhymes for antiradical

• radical
• radicle

Medical Definition

antiradical

adjective

an·​ti·​rad·​i·​cal -ˈrad-i-kəl 

variants or anti-radical

: counteracting the harmful effects of free radicals on the body

… others are employing antiradical agents to halt the neurological damage triggered by oxygen radicals after strokes or injuries to the head and spinal cord …

—Linda Marsa, The Los Angeles Times