The antonyms for the phrase "sneak away" are mainly related to expressing openness and honesty. For instance, the words "appear," "approach," and "arrive" signify a sense of being visible and upfront. Other antonyms that can be used in place of "sneak away" include "reveal," "announce," and "disclose," which all convey clarity and transparency of one's actions. More words that can chime in as antonym equivalents include "confess," "expose," and "confide," which are related to being open about one's movements, whether good or bad. Ultimately, the opposite of "sneak away" can be conveyed through a range of terms, all of which signify honesty, transparency, and accountability.