Synonyms for Loom:

n.

flash, appearance, rear its (ugly) head, emergence, resurface, reappear, take shape. call for, waiting to happen, emerge, issue, lurk, lie ahead, appear, await, see, be heading/headed for something, lie ahead/before/in store, show, materialize. loom (noun)
hover, predominate, tower, hulk, bulk large, brood.
weaver (noun)
lappet, navajo, horizontal, small ware, power, knitting machine, table loom, double pile, Dobby, vertical, bar, jacquard, draw, terry, single pile.

v.

approach (verb)
near, come, approach, impend, advance, converge, gain, access, close.

Other synonyms:

spinner, basketry, reappear, appear, spinning wheel, distaff, lie ahead, interlace. emerge, call for, brew, emergence, spindle, appearance, await, lurk, threaten, resurface. cane, shuttle, overhang. show, materialize. flash. spin. endanger
threaten.
threaten
hang over.

Usage examples for loom

  1. Tell me, how much did the stuff cost you just off the loom – The Princess of the School by Angela Brazil
  2. Again it will loom a ghostly white against a thunder- laden sky. – At Large by Arthur Christopher Benson
  3. Our globe would loom up in the heavens, much larger and brighter than the moon appears to us. – The Flying Saucers are Real by Donald Keyhoe