unsoftening

She turned the watch upon the table, and opened it, and, with an unsoftening face, looked at the worked letters within.

Little Dorrit 2007

From allusions in the sonnets, we may divine that when they first approached each other he had debated much with himself whether this last passion would be the most unsoftening, the most desolating of all -- un dolce amaro, un sì e no mi muovi.

The Renaissance: studies in art and poetry Walter Pater 1866

From allusions in the sonnets, we may divine that when they first approached each other he had debated much with himself whether this last passion would be the most unsoftening, the most desolating of all -- un dolce amaro, un si e no mi muovi; is it carnal affection, or, del suo prestino stato (Plato's ante-natal state) il raggio ardente?

The Renaissance Studies in Art and Poetry Walter Pater 1866

She turned the watch upon the table, and opened it, and, with an unsoftening face, looked at the worked letters within.

Little Dorrit Charles Dickens 1841