The phrase "are flower" is not a standalone word, but rather, it appears to be a grammatically incorrect sentence. However, if we were to consider the opposite or antonyms of the word flower, we might come up with a few words. The antonyms could be thorn or weed, which stand in contrast to the beauty and lushness of a flower. While a flower represents growth, beauty, and life, weeds and thorns symbolize chaos, ugliness, and destruction. Therefore, understanding antonyms can bring meaning to a word and context, helping us see the opposite of a given concept.