The phrase "showed about" implies a sense of display or exhibition. The antonyms for this phrase could be "hid," "concealed," "camouflaged," "obscured," "veiled," "masked," or "guarded." These words imply a sense of secrecy or protection, opposing the idea of one's actions or belongings being presented openly. While "showed about" suggests an intention to showcase something, its antonyms convey a sense of discretion, privacy, or safety. Depending on the context, it may be appropriate to use an antonym of "showed about" as it can create a different tone and convey a different meaning.