Eensy is a colloquial term often used to describe something small or tiny. However, there are many other synonyms that can be used instead of eensy, such as minuscule, diminutive, petite, microscopic, or infinitesimal. These words all suggest the same idea of something being very small in size. Other synonyms for eensy include tiny, wee, little, and small. Some more playful alternatives include itsy-bitsy, teensy-weensy and pint-sized, but it all depends on the context and tone of the message you want to convey. No matter which word you choose, it's always good to have a variety of synonyms in your vocabulary.