There was never any need to look them up, for the instructions were invariably to disregard.
In fact, he was finding it almost impossible to do either, so scrambled were his powers of performance by the compulsive need for haste that invariably possessed him.
His nature was invariably gentle and polite.
When he sat with them he had no need to sit with anyone else; his problem of where to sit was solved, and he was protected against the undesired company of all those fellow officers who invariably welcomed him with excessive cordiality when he approached and waited uncomfortably for him to go away.
There are no more uses of "invariably" in the book.
Show samples from other sources
I tell myself to go to sleep early, but I invariably end up watching television late into the night.
You better tell her we’re starting earlier. She’s invariably late.