The DICT Development Group

  swallow up
      v 1: enclose or envelop completely, as if by swallowing; "The
           huge waves swallowed the small boat and it sank shortly
           thereafter" [syn: immerse, swallow, swallow up,
           bury, eat up]

  62 Moby Thesaurus words for "swallow up":
     ablate, absorb, assimilate, bleed white, bring to ruin, burn up,
     condemn, confound, consume, damn, deal destruction, decimate,
     deplete, depredate, desolate, despoil, destroy, devastate, devour,
     digest, dissolve, drain, drain of resources, eat, eat up, engorge,
     erode, exhaust, expend, finish, finish off, gobble, gobble up, gut,
     gut with fire, havoc, impoverish, incinerate, ingest, lay in ruins,
     lay waste, ravage, ruin, ruinate, shipwreck, spend, squander,
     suck dry, swallow, throw into disorder, unleash destruction,
     unleash the hurricane, upheave, use up, vandalize, vaporize, waste,
     waste away, wear away, wrack, wreak havoc, wreck