Virtual objects and activities are generated by a computer to simulate real objects and activities. The adjective virtual is used to describe something that exists in essence but not in actuality. You may have made a virtual friend on an online gaming site, but don't expect that person to meet you for coffee. VIRTUAL meaning : 1. almost a particular thing or quality: 2. created by computer technology and appearing to exist…. Learn more. The meaning of VIRTUAL is being such in essence or effect though not formally recognized or admitted. How to use virtual in a sentence.