noun, noun or participle which takes 'suru', intransitive verb
shaking; swaying; pitching and rolling; oscillation
Physical movement back and forth or from side to side. Often used somewhat formally or technically for a ship, aircraft, structure, or object that is shaking, swaying, pitching, or rolling.
荒波で船体が激しく動揺した。
The hull pitched and rolled violently in the rough waves.
乱気流で機体に大きな動揺があった。
There was major shaking of the aircraft due to turbulence.
noun, noun or participle which takes 'suru', intransitive verb
agitation; unrest; turmoil; feeling shaken
Mental, social, or political instability: a person being shaken emotionally, or a group, market, or society falling into unrest or commotion.
突然の知らせに、彼女はひどく動揺した。
She was badly shaken by the sudden news.
首相の辞任発表で市場に動揺が広がった。
The prime minister's resignation announcement spread turmoil through the market.