The antonyms for the phrase "showed clearly" are numerous and include terms such as obscured, masked, disguised, veiled, hid, concealed, camouflaged, overshadowed, shadowed, and obfuscated. When something is obscured or masked, it is unclear and difficult to understand. Disguised or veiled refers to something that may be hidden intentionally or unintentionally, making it difficult to discern. Concealed or hidden are similar in that they indicate a lack of visibility or transparency. When something is overshadowed or shadowed, it lacks clarity or prominence in comparison to something else. Finally, obfuscated refers to a situation in which something is intentionally made unclear or difficult to understand.