The term "over-topped" refers to something that has risen above its usual level or exceeded a certain height. The antonyms for this word would be words that describe its opposite meaning, such as undershoot, undersize, or undercut. These words signify a lack of growth or an inability to reach a desired height. Other antonyms for "over-topped" might include words like short, stunted, or squat. These words describe something that is smaller than average or hasn't grown as much as it should have. By contrast, words like towering, soaring, or surpassing would be synonyms for "over-topped." These words describe something that has grown beyond its usual limits or has reached a great height.