The phrase "in definably" refers to something that cannot be defined or described in words. Some synonyms for this term include ineffable, indescribable, and unutterable. Other words that convey a similar meaning include inexplicable, unexplainable, and indefinable. These words are often used to describe abstract concepts or experiences that transcend language and cannot be adequately captured with words alone. Some examples of things that might be described as "in definably" include spiritual experiences, intense emotions, or profound moments of insight and understanding. Ultimately, the use of these synonyms can help to convey the depth and complexity of experiences that are difficult to put into words.