The phrase "actually exhausted" is correct and can be used in written English.
It is often used to emphasize that someone is truly tired or drained. For example, "I thought I could keep going, but I am actually exhausted from the long day of work." Or, "She had been up all night studying for her exam, so she was actually exhausted by the time she finished."
You have to overwhelm your busy, anxious mind by getting your body revved up and actually exhausting yourself.
Renewable resources (such as fisheries and forestry resources) are considered to be inexhaustible at all times, but excessive exploitation will actually exhaust them.
It's actually exhausting me even further to list all of these things.
Some, like Venezuela and Russia, are actually exhausting their fields to cash in on the bonanza created by rapidly rising oil prices.
If you didn't know by now, that's a full time job and it's actually exhausting.
I think young people are actually exhausting themselves in the process of trying to outdo each other in these lives they are living online". Watch the full HuffPost Live conversation about the effects of social media and the pressure to succeed here.
Because the activity was intensely laborious, some members faked injuries to excuse themselves from the hard work, leaving those who actually cooperated exhausted.
Everyone idealises having a crush until you actually get one, and realise that it's actually pretty exhausting, agonising over which text to send and why they haven't responded and why they left you on read, and whether it's weird to be obsessing so much.
This idea that as you're working towards getting better at something like improving your willpower you may actually temporarily exhaust your so-called muscle on willpower.
At the book's core is the deep divide between her own values and those of her mother (both her parents were committed Communists), evinced by her growing disgust with the hypocrisy the Soviet system imposed on each individual, demanding a commitment to a proletarian utopia that was actually an exhausting siege of hard work, poverty and very little pleasure.
