faint
adjective
lacking brightness, vividness, clearness, loudness, strength, etc..
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
She had buoyed up his courage when it had been fainting; she had fought splendidly against the last terrible inertia of exhaustion.
From The Stolen Singer by Bellinger, Martha Idell Fletcher