Detrimental is an adjective that means harmful or tending to cause harm. It can also be used to mean prejudicial, disadvantageous or counterproductive.
I've known Leila for three years. She calls me up to talk whenever she has a fight with one of the losers she happens to be seeing. I like her a lot but we are totally just friends with detriments.
A sight threatening eye problem effecting one out of every 10,000 people. This serious condition can be treated with surgery or by leaving your basement and getting off of Tumblr.
My retinal detachment doesnt keep me from finding all the creppyiest memes and hotdog leg pics.