"Doughiest" is an adjective that describes something that is heavy, thick, and soft like dough. Its antonyms would be words that describe things that are light, thin, and firm. For example, "crispiest" would be a good antonym for "doughiest" as it suggests something that is light and crunchy. Other antonyms for "doughiest" might include "flimsiest," "slimmest," "thinnest" or "firmest." Each of these words suggests a surface quality that is opposite to the heavy, dough-like quality described by "doughiest," offering a diverse range of options when describing a particular texture, feel, or substance.