The antonyms for the phrase "looks up down" are somewhat challenging to determine, as it is actually made up of two separate words that do not have a precise reverse. However, some possible antonyms for each word can be found by exploring its opposite meanings. For instance, a few antonyms for "up" could include down, lower, beneath, or under. Some antonyms for "down" could be up, above, higher, or over. While there may not be one definitive opposite for "looks up down," understanding the various alternatives that exist can help in expanding one's vocabulary and comprehension of language.