Seething describes anger you can barely contain. If you are seething and something sets you off, you just might explode into a rage. Someone who's seething with anger is furious but keeping it a secret.

What does seething someone mean?

1 : to suffer violent internal excitement seethe with jealousy. 2a : to be in a state of rapid agitated movement. b : to churn or foam as if boiling.

What kind of word is seething?

seething adjective [before noun] (angry)

extremely angry but unable or unwilling to express it clearly: A feeling of seething resentment led to angry exchanges between the teams.