1.
1. прил. кратк. см. напрасный
2. предик. безл. it is useless
напрасно ждать чего-л. от него — it is no use expecting him to do anything
2. нареч.
1. ( тщетно ) in vain, for nothing, vainly, to no purpose
он напрасно ездил туда — he went there for nothing
2. ( несправедливо ) wrongfully, unjustly
его напрасно обвинили — he was wrongfully accused
3.:
вы напрасно так думаете — you shouldn't think that, you are wrong to think that (way)