The word "over full" means excessively or too full. Its antonyms are words that denote emptiness or inadequacy, like "under full," "almost empty," "partly empty," or "insufficient." Words such as "sparse," "scant," and "lean" are also antonyms of overfull. These words imply a scarcity or lack of something, whereas "over full" implies an excess. Antonyms of over full can also include words like "moderate," "satisfactory," or "optimum," which suggest an appropriate or balanced amount of something. Using antonyms for "over full" can help individuals communicate precisely and avoid confusing language.