climax
noun
the highest or most intense point in the development or resolution of something; culmination.
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The business of the evening was climaxing: the whigs missing two of their number, were in quite a spasm of doubt and fear.
From The Humors of Falconbridge A Collection of Humorous and Every Day Scenes by Falconbridge