One who informs someone else about something. / A person who tells authorities about improper or illegal activity. / One who informs, animates, or inspires.

plural of informer

That which resolves uncertainty; anything that answers the question of "what a given entity is". / Things that are or can be known about a given topic; communicable knowledge of something.

Without regular form; shapeless; ugly; deformed.

(archaic, transitive) To instruct, train (usually in matters of knowledge). / (transitive) To communicate knowledge to. / (intransitive) To impart information or knowledge.

In an informative manner.

plural of informant

The condition of being informal.

The condition of being informative; clarity

Designed to or able to impart information; possessing information.