The term "over-press" typically refers to excessive force applied to something, often resulting in damage or destruction. The opposite of this would be a careful or measured approach, which could be described using antonyms such as gentle, light, or cautious. Other antonyms for "over-press" might include under-pressure, underwhelm, or underperform, all of which suggest a lack of force or intensity. Ultimately, the best antonym for "over-press" will depend on the specific context in which it is being used, as well as the intended meaning or message that the speaker or writer is trying to convey.