Both Uses of
insidious
in
Dune
- His voice lowered and he repeated: "A poison—so subtle, so insidious …. so irreversible.†
Book 1
- They were insidious—bleeding off just enough to keep the host from objecting until they had you in their fist where they could force you to pay and pay and pay.†
Book 2 *
Definition:
-
(insidious) not appearing dangerous, but actually very harmful over time
or:
treacherous (dangerous due to trickery or from hidden or unpredictable risks)