1) Military life
Found on
https://www.crosswordclues.com/clue/dumb-insolence
Dumb insolence is an offence against military discipline in which a subordinate displays an attitude of defiance towards a superior without open disagreement. 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. For example, a pupil may suck their teeth, sigh ...
Found on
http://en.wikipedia.org/wiki/Dumb_insolence
No exact match found.
