The antonyms for the word "over-crowds" are "uncrowded," "spacious," "unpopulated," "sparse," "desolate," and "unoccupied." These antonyms denote the lack of overcrowdedness and suggest a sense of freedom, tranquility, and spaciousness. For instance, describing a park as spacious and uncrowded would convey a peaceful setting where visitors could relax and enjoy nature without feeling cramped or overwhelmed. In contrast, using the term "over-crowds" in the same context would suggest that the park is jam-packed with people, leading to unpleasantness and inconvenience. Therefore, using the appropriate antonym for "over-crowds" could help to create a more positive and relaxed tone.