Basal
Part of speech: adjective
Definition: Relating to, or forming, the base, or point of origin. In a phylogenetic tree, being a group, or member of a group, which diverged earlier.
Part of speech: noun
Definition: Any basal structure or part
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: Working-class Americans want a clear champion, and there is nothing radical about moral clarity in 2018.