You think of your wife, grappling with a kind of difficulty to which she is unaccustomed.
His voice was modulated to an unaccustomed mildness as he spoke.
He was unaccustomed to seeing her show suffering, and it embarrassed him.
The unaccustomed action was significant; it bespoke a passionate loyalty.
You are right in supposing that I am not unaccustomed to—an influential ...