frenetic
https://gyazo.com/7ce81d9bd207daec231f35436e8eb92b
adjective
fast and energetic in a rather wild and uncontrolled way:
〈行為･人などが〉あわただしい, 熱狂した
e.g. a frenetic pace of activity.
DERIVATIVES
frenetically |frəˈnedək(ə)lē| adverb
freneticism noun
ORIGIN
late Middle English (in the sense ‘insane’): from Old French frenetique, via Latin from Greek phrenitikos, from phrenitis ‘delirium’, from phrēn ‘mind’. Compare with frantic.