The antonyms for the word "de front" are "behind" or "rearward." These words describe a location or position that is situated at the back or away from the front. They can also be used to convey a meaning of being distant or remote. For example, if someone is standing behind a person, they are not in front of them. Similarly, if an object is located in the rearward of a space, it is not situated at the front of the space. Other words that can be used as antonyms for "de front" include "offside," "opposite," "reverse," and "backwards.