Innocuous

From Latin innocuus ("harmless").

Full definition of innocuous

1892, Robert Louis Stevenson, A Footnote to History, ch. 9:The shells fell for the most part innocuous; an eyewitness saw children at play beside the flaming houses; not a soul was injured.
1910, Bram Stoker, The Lair of the White Worm, ch. 11:Other things, too, there were, not less deadly though seemingly innocuousâ€”dried fungi, traps intended for birds, beasts, fishes, reptiles, and insects.
2011, September 2, , Wales 2-1 Montenegro, As the half closed Bale and Ledley both went close with good efforts, but Bellamy picked up a yellow card for an innocuous challenge that also rules the new Liverpool man out of the trip to Wembley.

1893, Gilbert Parker, Mrs. Falchion, ch. 12:Ruth Devlin announced that the song must wait, though it appeared to be innocuous and child-like in its sentiments.
1910, P. G. Wodehouse, The Intrusion of Jimmy, ch. 28:He sat down, and lighted a cigarette, casting about the while for an innocuous topic of conversation.