да́ром
adverb
conversational
for nothing, gratis, free (of charge)
conversational
for next to nothing; for a trifle, for a song
conversational
in vain, to no purpose
gratis, for free, for nothing
in vain
used in the following idiomatic expressions
э́то ему́ не да́ром доста́лось
he did not get it without some trouble, it cost him dear