un·der·cur·rent 
/ˈʌndɚˌkɚrənt/ noun
plural un·der·cur·rents /ˈʌndɚˌkɚrənt/ noun [count] 1 : a flow of water that moves below the surface of the ocean or a river
▪ You could be pulled under water by the dangerous undercurrents. 2 : a hidden feeling or tendency that is usually different from the one that is easy to see or understand — usually + of ▪ Despite the losing streak, there is an undercurrent of hope within the team. ▪ undercurrents of resentment
▪ You could be pulled under water by the dangerous undercurrents.
