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radical

The word has very different meanings depending on the context. When talking about changes, it means "complete" or "extreme." In politics, it describes people who want a total change in how society is run. Depending on who is speaking, this can be seen as either positive (progressive) or negative (dangerous). The use of "radical" to mean "cool" or "awesome" is informal slang that was very popular in the 1980s and 1990s, especially in surf and skate culture. It is less common today but still understood.

💬Casual Conversation

🎬Tuesday afternoon in the university library, mid-study session.

Fatima

I'm about to scrap this whole thesis. It needs a radical overhaul.

Maya

Just bite the bullet and start over now before you crash.

💡

Fatima uses 'radical' to describe a fundamental, thorough change to her academic work. Maya responds with the idiom 'bite the bullet,' meaning to accept something difficult or unpleasant that is unavoidable.

Meanings

adjective

Relating to or affecting the fundamental nature of something; far-reaching or thorough.

"The company needs a radical redesign of its business model to survive."

adjective

Representing or supporting extreme political or social views.

"He was known for his radical ideas regarding the redistribution of wealth."

adjective

Slang: Very good, impressive, or cool.

"That skateboard trick was totally radical!"

noun

A person who advocates thorough or complete political or social reform.

"In the 19th century, he was considered a dangerous radical by the establishment."

noun

In chemistry, an atom, molecule, or ion that has at least one unpaired valence electron.

"The reaction is initiated by the formation of a free radical."

Last Updated: May 22, 2026•Report an Error