not having the effects or qualities of a poison
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use nonpoisonous in a sentence
Several species of nonpoisonous snakes were more common but were nowhere really abundant.Camps and Trails in China | Roy Chapman Andrews and Yvette Borup Andrews
Her second-stage rockets were also of the nonpoisonous variety, because she fired them at a bare 60,000 feet.Space Tug | Murray Leinster
(e) The poisonous portions are not distinguishable from the nonpoisonous, either macroscopically or microscopically.
It has the advantage of being comparatively nonpoisonous and noninflammable and is easily transported and handled.The House Fly and How to Suppress It | L. O. Howard and F. C. Bishopp