The phrase "evil-looking" refers to something that appears dark, frightening or threatening. However, there are a number of antonyms, or opposite words, that can be used to describe things that look less daunting or more appealing. Some potential antonyms may include terms such as "friendly," "welcoming," "approachable," "cheerful," "inviting," "bright," "upbeat," "happy," "positive," "optimistic," and "attractive." By employing these types of words in place of "evil-looking," one can create a more positive or neutral impression of the subject being described. This can be particularly helpful in situations where one is seeking to avoid overly negative connotations or to highlight more positive traits.