As a verb endanger
is to put (someone or something) in danger; to risk causing harm to.
As an adjective risky is
dangerous, involving risks.
Other Comparisons: What's the difference?
* endaunger (obsolete)
To put (someone or something) in danger; to risk causing harm to.
* 1593, William Shakespeare, Two Gentlemen of Verona
- I hold him but a fool that will endanger / His body [in a duel] for a girl that loves him not
* 1877, Louisa May Alcott, Under the Lilacs
- All the other difficulties of his reign only exercised without endangering him.
(obsolete) To incur the hazard of; to risk; to run the risk of.
* Francis Bacon
- If you endanger other people's life and liberty in your pursuit of happiness, I shall have to confiscate your arms, boys.
- He that turneth the humours back endangereth malign ulcers.
* See also
Dangerous, involving risks.
- Investing in this start-up company could be risky .
* hazardous, dangerous, perilous
* riskless, safe