RADICAL

Definition

1. adjective (used of opinions and actions) far beyond the norm. — synonyms: extremist, ultra
2. adjective markedly new or introducing radical change. — synonyms: revolutionary
3. adjective arising from or going to the root or source.
4. adjective of or relating to or constituting a linguistic root.
5. adjective especially of leaves. — synonyms: basal
6. noun (chemistry) two or more atoms bound together as a single unit and forming part of a molecule. — synonyms: group, chemical_group
7. noun an atom or group of atoms with at least one unpaired electron. — synonyms: free_radical
8. noun a person who has radical ideas or opinions.
9. noun (mathematics) a quantity expressed as the root of another quantity.
10. noun a character conveying the lexical meaning of a logogram.
11. noun (linguistics) the form of a word after all affixes are removed. — synonyms: root, root_word, base, stem, theme