Dumb insolence

{{Short description|Silent disrespect}}

Dumb insolence is an offence against military discipline in which a subordinate displays an attitude of defiance towards a superior without open disagreement.{{citation|title=The Penguin Dictionary of English Idioms|page=125|author=Daphne M. Gulland, David Hinds-Howell|year=1986|isbn=9780140511352|url=https://books.google.com/books?id=K8tZAAAAMAAJ}} It is also found in settings such as education in which obedience and deference to a teacher is expected but may be refused by unruly pupils.{{citation|url=https://books.google.com/books?id=CPQNAAAAQAAJ|page=176|year=1990|title=Social Forms/human Capacities|isbn=9780415043540|author=Philip Richard D. Corrigan}} For example, a pupil may suck their teeth, sigh or walk away while being spoken to.{{citation |url=https://books.google.com/books?id=FGRmjk1qFwwC&pg=PA143 |title=Managing classroom behaviour |author=David Fontana|date=6 April 1994 |isbn=9781854331236 }}