学がっ級きゅう崩ほう壊かいMeaningsNoun1. class disruption (e.g. due to discipline problems); classroom chaosKanji used学study級class崩crumble壊breakComposed of学がっ級きゅう(school) classNoun崩ほう壊かいcollapse; crumbling; breaking down; caving in; (radioactive) decay; disintegrationNoun