Formal is polite and informal is rude and obnoxious
it is an informal group
formal is the cinema and informal is a gay man
It's both formal and informal. It depends on how you say it. If you say "Adiós, señora." it's formal. If you say "Adiós, amigo." it's informal.
informal
formal and informal rhythm
what is formal and informal communication
formal
A memorandum is an informal message, especially one sent between two or more employees of the same company, concerning company business.
There is no formal slang. Slang is informal language.
Formal is polite, informal is rude and obnoxious.
what is formal and informal shareholders agreement
informal