RADICAL

I love dictionaries. They are endlessly informative. I believe we should endeavor to learn more about the meanings of the words we use, so here's something to start us all off.

ACCORDING TO MY DASHBOARD DICTIONARY:

radical
adjective

1. (esp. of change or action) relating to or affecting the fundamental nature of something; far-reaching or thorough

- forming an inherent or fundamental part of the nature of someone or something

- (of surgery or medical treatment) thorough and intended to be completely curative

- characterised by departure from tradition; innovative or progressive

2. advocating thorough or complete political or social reform; representing or supporting an extreme section of a political party

- (of a measure or policy) following or based on such principles

3. of or relating to the root of something, in particular

- Mathematics of the root of a number or quantity

- denoting or relating to the roots of a word

- denoting the semantic or functional class of a Chinese character

- Music belonging to the root of a chord

- Botany of, or springing direct from, the root or stem base of a plant

4. [usu. as exclam.] informal very good; excellent


I typed in 'rad' and it says "a political radical" and "excellent; impressive", as well as some meanings relating to physics and geometry.

I typed in 'raddest' but it doesn't exist.

How radical!


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These are some of the images which came up on the first page of a Google Image search of 'radical'.