Blow upped is not a word in the English language, but if it were, some possible antonyms could include calm, deflate, shrink, decrease, and reduce. These words describe the opposite of an object or situation being blown up or expanded. Calm suggests a peaceful state of being without agitation or excitement. Deflate indicates a reduction in size or pressure. Shrink implies a decrease in size or volume. Decrease and reduce both suggest a diminishing or lowering of quantity or intensity. These antonyms for a nonexistent word illustrate the many ways in which language can express opposing ideas and concepts.
