She could not help frequently glancing her eye at Mr. Darcy, though every glance convinced her of what she dreaded; for though he was not always looking at her mother, she was convinced that his attention was invariably fixed by her.
But I will endeavour to banish every painful thought, and think only of what will make me happy—your affection, and the invariable kindness of my dear uncle and aunt.
I wish I could say, for the sake of her family, that the accomplishment of her earnest desire in the establishment of so many of her children produced so happy an effect as to make her a sensible, amiable, well-informed woman for the rest of her life; though perhaps it was lucky for her husband, who might not have relished domestic felicity in so unusual a form, that she still was occasionally nervous and invariably silly.
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.