Both Uses
insidious
in
Unbroken, by Hillenbrand
(Auto-generated)
- In Naoetsu's little POW insurgency, perhaps the most insidious feat was pulled off by Louie's friend Ken Marvin, a marine who'd been captured at Wake Atoll.†
p. 285.6 *
- As bad as were the physical consequences of captivity, the emotional injuries were much more insidious, widespread, and enduring.†
p. 346.9
Definitions:
-
(1)
(insidious) not appearing dangerous, but actually very harmful over time
or:
treacherous (dangerous due to trickery or from hidden or unpredictable risks) - (2) (meaning too rare to warrant focus)