Stack up English Flashcard for Stack up for IELTS Updated: August 22, 2019 by Dr. Mohammad Hossein Hariri AslStack up English FlashcardStack up English Flashcard (phrasal verb)to make a comparison between two or more similar things – compare:My old computer can never stack up against your state-of-the-art laptop.Share This | Follow Us | New Lessons | New Comments | New Topics | Categories | Tags