the.com/insinuate
To plant a thought without fingerprints — the verbal equivalent of leaving the door unlocked.
means To suggest something unpleasant indirectly, so the listener arrives at the ugly conclusion themselves.
from From Latin insinuare, to wind into, built on sinus, a curve or fold — language slithering into a bend rather than walking through the front door.
Same rootShares sinus with the curves in your skull.
Two meaningsAlso means to worm oneself into favor.
Plausible deniabilityIts whole appeal: accuse while claiming you didn't.