It had to be exhaustion that was making her act so irrational.
They have emotions and passions, but are never moved by them to irrational acts.
Voting is an irrational act, since the individual vote does not count.
Certainly not many economists, who view it, at least on the surface, as an irrational act.
My own culture has no word for suicide; it is an irrational act and, as such, cannot be considered a legitimate response to our situation.
And sometimes an irrational act becomes a solution the rational mind would never have thought of.
To protect the other players from an irrational act due to his loss of control.
I don't know why I came in here; it was a completely irrational act.
An irrational act to which there would have been witnesses.
It was the last irrational act, insanity the order of that date.