par·ticu·lar·ize particularizes particularizing particularized in BRIT, also use particularise If you particularize something that you have been talking about in a general way, you give details or specific examples of it. Mr Johnson particularizes the general points he wants to make A farmer is entitled to a certain particularized tax treatment. to give the details of something = itemize
To give as a particular, or as the particulars; to mention particularly; to give the particulars of; to enumerate or specify in detail