noun, noun or participle which takes 'suru', intransitive verb
wriggling; squirming; writhing
Describes the physical movement of many small creatures, such as insects or worms, wriggling together. Often used in literary or descriptive contexts.
腐った肉に蛆が蠢動している。
Maggots are wriggling in the rotten meat.
noun, noun or participle which takes 'suru', intransitive verb
maneuvering behind the scenes; plotting mischief
Figurative use: describes insignificant people or groups scheming or maneuvering secretly, often with a negative connotation. Common in political or social commentary.
党内では次の選挙に向けて様々な思惑が蠢動している。
Various schemes are maneuvering behind the scenes within the party for the next election.