The phrase "was in the air" is often used to describe an atmosphere or feeling that is present or noticeable. There are several synonyms that can be used instead of this phrase, such as "loomed," "hung over," "permeated," "wafted," "prevailed," and "enveloped." Each of these words conveys a similar sense of something being palpable or tangible, but with slightly different connotations. For example, "loomed" suggests a sense of impending doom or threat, while "wafted" implies a gentle, almost delicate presence. Using these synonyms can help to add variety and depth to your writing or conversation, conveying a more nuanced sense of the atmosphere or mood.