Definition of 大不敬 (だいふけい)

noun
1.
great impropriety (esp. towards the imperial family)(archaism)
2.
crime against the imperial family (or a shrine dedicated to them, etc.)
See also:八虐
Related Kanji
大 large, big
不 negative, non-, bad, ugly, clumsy
敬 awe, respect, honor, revere