1) COMB in ADJ -friendly combines with nouns to form adjectives which describe things that are not harmful to the specified part of the natural world.
Palm oil is environment-friendly.
...ozone-friendly fridges.2) COMB in ADJ -friendly combines with nouns to form adjectives which describe things which are intended for or suitable for the specified person, especially things that are easy for them to understand, appreciate, or use.→ See also user-friendly
...customer-friendly banking facilities.
English dictionary. 2008.