ubiquitary noun 2adjective 1forms 1 noun2 •One who exists everywhere.I doe vvish my selfe sometime an Vbiquitarie for their loue, in good faith. — 1599 •(historical) A ubiquitarian.To conclude, either [Thomas] Aquinas is false, or the Papists Vbiquitaries. — 1614 adjective1 •(no longer used) Ubiquitous.For wealth and an ubiquitary commerce, none can exceed her — 1640 formsubiquitaries