The term "hastate" refers to something that is shaped like a spearhead or arrowhead. As such, synonyms for "most hastate" might include words like "pointed," "sharp," "jagged," or "acute." Other possibilities might include "spear-like," "arrow-shaped," or "triangular." Depending on the context of the usage, synonyms like "penetrating," "piercing," or "keen" might also be appropriate alternatives to "most hastate." When considering descriptive language, it is important to select words that accurately convey the intended meaning while also fitting with the tone and purpose of the writing.