Root
Part of speech: verb
Definition: To rummage, to search as if by digging in soil, to root out. To cheer to show support for a sports team, etc. To have sexual intercourse.
Part of speech: noun
Definition: The part of a plant, generally underground, that absorbs water and nutrients. Some roots (2) The part of a tooth extending into the bone holding the tooth in place. The part of a hair under the skin that holds the hair in place. The primary source. Of a number or expression, a number which, when raised to a specified power, yields the specified number or expression. A square root (understood if no power is specified; in which case, “the root of” is often abbreviated to “root”). A zero (of a function). The single node of a tree that has no parent. The primary lexical unit of a word, which carries the most significant aspects of semantic content and cannot be reduced into smaller constituents. Inflectional stems often derive from roots. A word from which another word or words are derived. In UNIX terminology, the first user account with complete access to the operating system and its configuration, found at the root of the directory structure. The person who manages accounts on a UNIX system. An act of sexual intercourse. A sexual partner.
Example sentence: Lack of money is the root of all evil.
Radical
Part of speech: adjective
Definition: Favouring fundamental change, or change at the root cause of a matter.Of or pertaining to a root .Of or pertaining to the intrinsic nature of something.Thoroughgoing.Of or pertaining to the root of a word.Involving free radicalsExcellent.
Part of speech: noun
Definition: A member of the most progressive wing of the Liberal Party; someone favouring social reform (but generally stopping short of socialism).A member of an influential, centrist political party favouring moderate social reform, a republican constitution, and secular politics.A person with radical opinions.A root (of a number or quantity).In logographic writing systems as the Chinese writing system, the portion of a character (if any) that provides an indication of its meaning, as opposed to phonetic.In Semitic languages, any one of the set of consonants (typically three) that make up a root.A group of atoms, joined by covalent bonds, that take part in reactions as a single unit.A free radical.
Example sentence: I never dared to be radical when young for fear it would make me conservative when old.