innocent, righteous, powerless, right, poisonous, sound, sinless, innoxious, white, hurtless, naive, undefiled, insipid, uncontroversial, unoffensive, sterile, controllable, navigable, inoffensive, guileless, reliable, manageable, clean, benign, virtuous, harmful, preventable, immaculate, sanitary, pure, inoperative, trustworthy, anodyne, injurious, help, protective, nonmalignant, weak, unoffending, unblamable, avoidable, kind, gentle, blameless, benignant, stainless, spotless, irreproachable, upright, lily-white, guiltless, faultless, innocuous, unblemished, clear, simple
safe (part of speech: adjective)
- He was stating facts, which, in his apprehension, were harmless, and why should he not let them out? - "Witchcraft of New England Explained by Modern Spiritualism", Allen Putnam.
- She had been trying to avoid the direct question as far as possible, but this one seemed so harmless. - "The Thousandth Woman", Ernest W. Hornung.
- It is very simple, and such a harmless act that it could be condemned by no one." - "The Gods of Mars", Edgar Rice Burroughs.