1.
injurious to physical or mental health
2.
able or likely to do harm
3.
causing or capable of causing harm
too much sun is harmful to the skin
harmful effects of smoking
4.
constituting a disadvantage
5.
contrary to your interests or welfare
6.
tending to cause great harm
The first box of Crayola that was ever sold had the same eight colours that are sold in the box today consisting of red, blue, yellow, green, violet, orange, black and brown. The box was sold for a nickel in 1903.
