Reattains is a verb that defines the act of regaining or achieving something again. The antonyms of 'reattains' are the words that mean the opposite of regaining, retrieving, or achieving something again. These words include losing, surrendering, relinquishing, sacrificing, forfeiting, yielding, surrendering, abandoning, and letting go. For instance, a person can lose their job or surrender their title, indicating that they will no longer hold that position or title. Relinquishing or sacrificing a position means that it is given up, while yielding implies giving way to something else. The word abandoning indicates that something is left behind, while letting go means to release something entirely. These are all antonyms that are contrary in meaning to the word 'reattains.