Webster's Revised Unabridged Dictionary · 1913

Endanger

Endanger , transitive verb

1.
To put to hazard; to bring into danger or peril; to expose to loss or injury; as, to endanger life or peace.
All the other difficulties of his reign only exercised without endangering him. — Burke
2.
To incur the hazard of; to risk. [Obsolete]
He that turneth the humors back... endangereth malign ulcers. — Bacon