Slimsy is an adjective that describes something as flimsy, weak, or lacking in strength. There are various synonyms of the word Slimsy, such as fragile, delicate, shaky, unsubstantial, insubstantial, weak, feeble, dainty, and frail. These words convey the idea of something that is not robust or sturdy and can easily be damaged or destroyed. For instance, a Slimsy structure is one that is likely to collapse under any pressure. Similarly, a Slimsy argument is one that lacks logical reasoning and evidential support. Therefore, these synonyms of Slimsy can help add variety to our vocabulary and convey a clearer understanding of the specific attributes of what we're describing.