Chocker, a term used to describe a state of being overwhelmed or crowded, has several antonyms that denote states of openness, clarity, and ease. One antonym for chocker is "spacious," which connotes roominess and an uncluttered environment. Another antonym is "uncluttered," which suggests a state of being less busy or disorganized. "Clear," "uncrowded," and "unobstructed" are other possible antonyms, all of which imply a sense of ease and openness. Using these antonyms can help to convey a more nuanced meaning and tone, and can help to convey a clearer and more precise message.