The antonyms for the word "re-cognize" are "ignore," "forget," and "disregard." Ignoring means to pay no attention to something, forget means to fail to remember something or someone, and disregard means to pay no attention to something or to treat it as unimportant. In contrast, re-cognize means to remember or acknowledge someone or something that has been encountered before. When someone re-cognizes someone or something, they acknowledge that they have seen or experienced it before. It is essential to recognize the antonyms of a word to understand and use it effectively in writing or speech.