Deescalated refers to the process of reducing tension, violence, or hostility. In terms of antonyms, we look for words that are the exact opposite of this meaning. Some possible antonyms for deescalated may include words such as heightened, intensified, escalated, inflamed, or agitated. These words suggest an increase in tension or conflict, rather than a decrease. It is important to note that context matters when considering antonyms for any word. Depending on the situation, some other possible antonyms for deescalated may include words such as provoked, instigated, or triggered, which suggest deliberate attempts to incite conflict.