"Held up" is a phrase that refers to something being delayed or postponed. The phrase is often used in situations where someone or something is prevented from progressing or moving forward. Synonyms for "held up" include phrases like "delayed," "halted," "stopped," "stalled," "intercepted," "postponed," "sidetracked," "obstructed," and "thwarted." Depending on the context, one of these phrases may be a more appropriate way to describe the situation than "held up." These synonyms can help provide greater clarity and specificity when discussing situations where delays or disruptions have occurred.