The word "in-definitenesses" refers to the state of being unclear, ambiguous, or uncertain. Some synonyms to describe this concept include vagueness, ambiguity, indistinctness, obscurity, and uncertainty. Vagueness suggests a lack of clarity or specificity, while ambiguity refers to a situation where multiple interpretations are possible. Indistinctness implies a lack of clear boundaries or shape, while obscurity suggests a lack of understanding or knowledge. Uncertainty implies a lack of confidence or conviction in a particular idea or course of action. Overall, these synonyms can be useful in describing situations where clarity and certainty are lacking, and where further clarification or definition may be needed.