Meaning of the word undercurrent in English

What does undercurrent mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

undercurrent

US /ˈʌn.dɚˌkɝː.ənt/
UK /ˈʌn.dəˌkʌr.ənt/

Noun

1.

a current of water below the surface, moving in a different direction from any surface current

Example:
The swimmer was caught in a strong undercurrent and struggled to get back to shore.
Be careful when swimming in the ocean; there can be dangerous undercurrents.
2.

an underlying feeling or influence, especially one that is contrary to the prevailing atmosphere and is not expressed openly

Example:
Despite the smiles, there was an undercurrent of tension in the room.
His speech had an undercurrent of sarcasm that many people missed.