1. undercurrent - Noun
2. undercurrent - Adjective
3. undercurrent - Verb
A current below the surface of water, sometimes flowing in a contrary direction to that on the surface.
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.
Running beneath the surface; hidden.
Source: Webster's dictionary(On her work in Keep Your Powder Dry) I didn't want to do it, but they said if I did it they would give me Undercurrent with Robert Taylor. Then they gave Undercurrent to Katharine Hepburn, so I left MGM. Laraine Day
I know about parabatai,” said Magnus, an angry, dark undercurrent to his voice. "I've known parabatai so close they were almost the same person; do you know what happens, when one of them dies, to the one that's left -? Cassandra Clare
There was an undercurrent of poverty throughout my childhood. We lived with my grandmother in her two-bedroom flat, and I slept with my parents. We had cheap holidays, I had to save for my bike and get a paper round as soon as I was old enough. Bernard Hill
The undercurrent of my every thought: To seek you, find you, have you for my own. Edna St. Vincent Millay
She felt happy these days, yet there was always an undercurrent of sadness just below the surface. Diane Chamberlain
Additionally, it should come as a surprise to absolutely no one that most of the anti-cannabis sentiment had an all-American undercurrent of racism. Source: Internet