The word "loom" refers to a device used for weaving threads or yarns into fabrics or textiles. Synonyms for the term include "weaving machine," "textile machine," and "loom machine." Another set of synonyms for "loom" is related to its secondary meaning of "appear," and includes terms like "emerge," "loom up," and "rise." Additionally, related terms like "loom large," "threaten," and "impending" all invoke a connotation of impending danger or foreboding. These synonyms can help to convey the tone of a passage or emphasize the significance of a looming event or situation.