Antonyms for the word "more implanted" include phrases like "less ingrained," "less entrenched," "less fixed," "less rigid," "less established," "less embedded," "less deep-seated," "less rooted," "less indelible," and "less lasting." These phrases can be used to describe a situation where something is not firmly established or deeply ingrained, and may be more easily changed or removed. For example, a bad habit that is less implanted may be easier to break, or a belief that is less rooted may be more easily influenced or changed. Antonyms serve as a useful tool for writers and speakers to convey shades of meaning and to express themselves more precisely.