1. Noun
A current below the surface of water, sometimes flowing in a contrary direction to that on the surface.
2. Noun
Hence, figuratively, a tendency of feeling, opinion, or the like, in a direction contrary to what is publicly shown; an unseen influence or tendency; as, a strong undercurrent of sentiment in favor of a prisoner.
3. Adjective
Running beneath the surface; hidden.
4. Noun
a current below the surface of a fluid
Vocabulary classified under Nature and environment
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