From Longman Dictionary of Contemporary Englishnone the wisernone the wisernot having any more understanding or knowledge about something than you had before I was none the wiser after his explanation. → none
Examples from the Corpus
none the wiser• I've read the instructions, but I'm still none the wiser.• They replaced the painting with a copy and the public was none the wiser.• After spending $ 88m in his two bids, he seemed none the wiser.• Tommy, unable to read, is none the wiser.• This goes on for several hours, and Blue is none the wiser for his efforts. 