Mini/ˈmɪni/ Definition 1 of 4Pro Tip 1/3Scale Implication Refers to size, often implying a functional or cuter version of the original. The mini robot could still perform basic tasks. Pro Tip 2/3Colloquial Usage Commonly used in everyday speech to emphasize the smallness of an object. I prefer a mini notebook for quick notes. Pro Tip 3/3Contrast Emphasis Can highlight the difference when placed next to something of standard size. Next to a regular piano, the mini piano looks tiny.