All great concernments must delays endure;1668, John Denham, Of Prudence (poem)
Has my Goodnes Clemencie, loue, and fauour gratious raysed thee From a Condition next to popular labour Tooke thee from all the dubitable hazards Of Fortune, her most unsecure aduentures And grafted thee into a Branch of honor […]1624, Thomas Middleton, A Game at Chesse:
3 more examples
[…] [the elevator] was in operation when it fell; its fall was due to the settling of the piers and the unsecure foundation of the elevator […]1883, N. Y. Supreme Court, page 43:
In this chapter, you examine methods for encrypting data before it is sent across an unsecure network such as the Internet.2004, Stephen Walther, ASP.NET unleashed 2003, page 923:
Unsecure networks pose a substantial security risk to your systems or data.2007, Brian Koerner, Windows Vista Security for Dummies, page 223:
unsecure
verb
Etymology From un- (inversive prefix) + secure (verb). Piecewise doublet of insecure and unsure, as well as of etymology 1.