Adverb
all the while (not comparable)
(idiomatic) At the same time as, usually over an extended period.
Synonym: the while
Those among them that have not received our religion do not fright any from it, and use none ill that goes over to it, so that all the while I was there one man was only punished on this occasion. Thomas More
Love has a way of cheating itself consciously, like a child who plays at solitary hide-and-seek it is pleased with assurances that it all the while disbelieves. George Eliot
The last peculiarity of consciousness to which attention is to be drawn in this first rough description of its stream is that it is always interested more in one part of its object than in another, and welcomes and rejects, or chooses, all the while it thinks. William James
Nothing is important save the spiritual state that enables one to subjectify one's thoughts to a sensation and to think only of the sensation, all the while searching to express it. Édouard Vuillard
We are either progressing or retrograding all the while. There is no such thing as remaining stationary in this life. James Freeman Clarke
If you want to keep a secret, you must also hide it from yourself. You must know all the while that it is there, but until it is needed you must never let it emerge into your consciousness in any shape that can be given a name. George Orwell