Look up formal or informal in Wiktionary, the free dictionary. Formal, formality, informal or informality imply the complying with, or not complying with...

Informal fallacies are a type of incorrect argument in natural language. The source of the error is not just due to the form of the argument, as is the...

Informal wear or undress, also called business wear, corporate/office wear, tenue de ville or dress clothes, is a Western dress code for clothing defined...

Informal education is a general term for education that can occur outside of a traditional lecture or school based learning systems. The term even include...

An informal economy (informal sector or grey economy) is the part of any economy that is neither taxed nor monitored by any form of government. Although...

Informalism or Art Informel (French pronunciation: [aʁ ɛ̃fɔʁmɛl]) is a pictorial movement from the 1943–1950s, that includes all the abstract and gestural...

Informal housing or informal settlement can include any form of housing, shelter, or settlement (or lack thereof) which is illegal, falls outside of government...

Informal logic encompasses the principles of logic and logical thought outside of a formal setting (characterized by the usage of particular statements)...

The term informal empire describes the spheres of influence which a polity may develop that translate into a degree of influence over a region or country...

Informal social control, or the reactions of individuals and groups that bring about conformity to norms and laws, includes peer and community pressure...