Adjective : a hazardous journey.    From Dictionary.com. 

A full 150 of them in fact rank as pretty darn unhazardous.    From Wordnik.com.  [BlogHer] Reference

It is enough, my lord, that your own part was neither obscure in it, nor unhazardous.    From Wordnik.com.  [The works of John Dryden, $c now first collected in eighteen volumes. $p Volume 07] Reference

In Bessy's circle the severing of such ties was regarded as an expensive but unhazardous piece of surgery -- nobody bled to death of the wound.    From Wordnik.com.  [The Fruit of the Tree] Reference

Constable, during their journey back to Edinburgh, to relieve him of that fraction of his own old stock, with which his unhazardous share in the new transaction was burdened.    From Wordnik.com.  [Memoirs of the Life of Sir Walter Scott, Volume V (of 10)] Reference

It still erupts a few times a day as pressure builds but is "so unhazardous that it's a tourist attraction, not a risk," says hydrologist Sally Benson, director of the global climate and energy project at Stanford University.    From Wordnik.com.  [Scientific American] Reference

Mr d'Urberville, who had fallen in love with her, a gentleman not altogether local, whose reputation as a reckless gallant and heartbreaker was beginning to spread beyond the immediate boundaries of Trantridge, lent Tess's supposed position, by its fearsomeness, a far higher fascination that it would have exercised if unhazardous.    From Wordnik.com.  [Tess of the d'Urbervilles] Reference

For the fact that it was this said thirty-first cousin, Mr. d'Urberville, who had fallen in love with her, a gentleman not altogether local, whose reputation as a reckless gallant and heart-breaker was beginning to spread beyond the immediate boundaries of Trantridge, lent Tess's supposed position, by its fearsomeness, a far higher fascination than it would have exercised if unhazardous.    From Wordnik.com.  [Tess of the d'Urbervilles] Reference