harm ‧ less /ˈhɑːmləs $ ˈhɑːrm-/ BrE AmE adjective
[ Word Family: noun : ↑ harm , ↑ harmlessness ; adjective : ↑ unharmed , ↑ harmful ≠ ↑ harmless ; verb : ↑ harm ; adverb : ↑ harmlessly ]
1 . unable or unlikely to hurt anyone or cause damage:
Her brother’s a bit simple, but he’s quite harmless.
2 . not likely to upset or offend anyone:
It was just a bit of harmless fun.
—harmlessly adverb :
The spear whistled harmlessly over his head.
—harmlessness noun [uncountable]