foam
noun
a collection of minute bubbles formed on the surface of a liquid by agitation, fermentation, etc..
had been foaming
-
past perfect progressiveof foam.past perfect progressive
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
She calmly described how her mum had been foaming at the mouth and shaking, and clearly gave their address when asked, LAS said.
From BBC ● Apr. 10, 2026
