(logic) A fallacy whose error cannot be represented by the symbols used in formal logic.

Poorly informed; ignorant.

partly informal, neither formal nor informal, semi-formal.

superlative form of well-informed: most well-informed

comparative form of well-informed: more well-informed

plural of informal fallacy

plural of confidential informant

(law enforcement) A person who secretly provides information to the police about wrongdoing which they are aware of due to their relationship to the wrongdoer.

(law) Consent to an action by another person given based upon a clear appreciation and understanding of the facts, implications, and consequences of the action.

plural of informal logic