Home›Browse›L›level of formalitylevel of formalityOur editors are putting together more complete content — check back in about 20 minuteslevel of formalitylevel of formality — nounnoun1. the degree of casualness or politeness in language or behavior1.nounDefinitionthe degree of casualness or politeness in language or behaviorExampleYou should adjust your level of formality when speaking to a professor.