The term "pyramidded" refers to the structure of a pyramid, which can indicate an increase in size or level. Antonyms for the term "pyramidded" would connote a decrease or decrease in size. Some antonyms include words like "deflated," "shrunken," "lessened," "reduced," and "diminished." These terms suggest a reduction in volume or magnitude, in contrast to the increase associated with "pyramidded." Other antonyms could include words such as "compressed," "flattened," "levelling," and "depressed." These terms suggest a flattening or lowering of level, in contrast to the uplifted structure associated with a pyramid.