The phrase "inopportune moment" refers to a time that is inconvenient or ill-timed. There are several synonyms that can be used to describe this phrase, such as "awkward timing," "unfortunate timing," "untimely," "poorly timed," "inconvenient time," "ill-timed," "bad timing," and "unlucky timing." Each of these synonyms encompasses the idea that something is happening at a difficult time, making it challenging to deal with or manage. When someone experiences an inopportune moment, they may feel overwhelmed or frustrated by the circumstances, but knowing the synonyms can help them to better articulate the challenge and find ways to overcome it.