radical
/ˈɹædəkəɫ/
relating to or affecting the fundamental nature of something
radical in a sentence
“Radical changes were needed to save the company.”
Origin of radical
Latin radicalis of roots, from radix, radic- root
Related Words
drastic
likely to have a strong or far-reaching effect; radical and extreme
paramount
more important than anything else; supreme
quintessential
representing the most perfect example of a quality
consummate
showing great skill and flair; complete or perfect
superlative
of the highest quality or degree
mediocre
of only moderate quality; not very good