1. shaking; shake; jolt; jolting; vibration; tremor; flickering
この船がこんな揺れをするなんて初めてですよ。This is the first time this ship has shaken like this.
2. unsettledness; instability; vacillating; wavering
おまえの心の揺れがわからない私だと思うのか?Do you think I can't tell that your heart is wavering?
3. existence of multiple spellings, pronunciations, usages, etc. for a single word