mannskemmandi

Icelandic

Etymology

From maður (“person”) +‎ skemmandi (“destroying”).

Adjective

mannskemmandi (indeclinable)

1. that which has a detrimental effect on people; harmful to a person's psyche; causing deterioration to people's minds

   Sjónvarpsgláp er mannskemmandi. ― Watching too much TV deteriorates your mind.