unsafe

Etymology

From un- + safe.

adj

1. Not safe (various senses); dangerous.
   For much the same reasons that safe languages are preferred over unsafe languages, these powerful---but unsafe---capabilities in Java should be restricted. 2015 October, Luis Mastrangelo et al., “Use at your own risk: the Java unsafe API in the wild”, in ACM SIGPLAN Notices, volume 50, number 10, →DOI
   RMT has made it clear that our members have a right to refuse to work in unsafe conditions, and the union will be closely monitoring the situation. … May 20 2020, Richard Clinnick, “Network News: More trains... but advice is not to use public transport”, in Rail, pages 7–8

verb

1. (transitive) To remove the safety from (a weapon).