The phrase "is bad" may not always capture the full nuance or severity of a negative situation, so it can be helpful to have alternative synonyms to convey a more specific meaning. Some possible synonyms for "is bad" include "is negative," "is harmful," "is detrimental," "is unfavorable," "is undesirable," "is unsatisfactory," "is subpar," "is deficient," "is problematic," or "is unacceptable." Each of these words captures a slightly different aspect of something that is not good, and can help to improve the precision of your language and communication. By using more specific synonyms, you can more accurately convey your thoughts or feelings about the situation at hand.