Sentence:  The sense of independence and loyalty remained, though the humour, irreverence, and “<WSD>larrikinism</WSD>”, core qualities of the digger identity that appeared so strongly in social protests throughout the war, were hidden within a new encompassing sense of respect and remorse, and a new identity in the “Anzac”. 
Meaning of the word marked with <WSD> tags:  Behaviour that is rebellious against and contemptuous of authority and convention.