Antonyms for the word "dimensioning" include words like "undimensioned," "undimensioned," "indefinite," and "unspecified." These words imply an absence of clear or precise measurements or dimensions. Instead, they describe a lack of definition or specificity. In contrast, "dimensioning" entails measuring and specifying the dimensions of an object or space, providing clear and accurate details about its size and shape. While dimensioning can be important for design, engineering, and construction, there are situations where imprecision or ambiguity is desirable, such as in creative endeavors or imaginative play. Overall, the antonyms of "dimensioning" reflect a range of possibilities for how we describe and understand the world around us.