- a current, as of water or air, flowing below another or beneath the surface
- an underlying tendency, opinion, etc., usually one that is kept hidden and not expressed openly
See undercurrent in American Heritage Dictionary 4
- A current, as of air or water, below another current or beneath a surface.
- An underlying tendency, force, or influence often contrary to what is superficially evident; an intimation: “The Gaucho began to talk, calmly but with an undercurrent of passion” (Thomas Pynchon).
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