From Longman Dictionary of Contemporary Englishphishingphish‧ing /ˈfɪʃɪŋ/ noun [uncountable] the criminal activity of sending emails or having a website that is intended to trick someone into giving away information such as their bank account number or their computer password. This information is then used to get money or goods.► see thesaurus at stealFrom Longman Business Dictionaryphishingphish‧ing /ˈfɪʃɪŋ/ noun [uncountable]LAWCOMPUTING the criminal activity of using emails or a website to trick people into giving you information such as their bank account number which you can then use to get money or goods —phisher noun [countable]