What are the opposite words for understandable?

The antonyms for the word "understandable" include perplexing, confusing, incomprehensible, obscure, and unfathomable. Perplexing refers to something that is simply puzzling, and confusing implies something that is vague and bewildering. Incomprehensible refers to something that is unintelligible or impossible to understand. Obscure implies something that is not easily understood due to a lack of clarity, and unfathomable refers to something that is beyond understanding or imagination. All these words convey the opposite of understandable, which means something that is clear, logical, and easily grasped.

Antonym of the day

most elbow-to-elbow
deserted, empty, imprecise.