The word "over spread" can be defined as spreading something excessively or beyond its intended limits. Antonyms for this term include "restrict," "limit," "constrain," "narrow," "thin out," and "condense." Restricting refers to limiting the spread of something to within certain boundaries, while limiting involves placing a cap on the amount of spread that can occur. Constrain, on the other hand, refers to limiting the expansion or growth of something, such as a business, while narrowing relates to tightening the scope of a particular venture. Thinning out denotes reducing the density of something, and condensing implies compressing something into a smaller area.