rancia (from lat. rancidus ) 1 (can be praiseworthy, indifferent or derogatory) adj. Applied to meals, old: Stale wine, rancid bacon, rancid oil . 2 (praise) Applied to ancestry, lineage or equivalent word, and also to tradition , ancient. It also applies to customs accommodated to the ancient uses of noble families and the people who observe them. Engolillado. 3 (desp.) Old-fashioned or outdated: The poor lady is very rancid, she sings some very rancid songs . 4 Applied to people because of their character, serious and unfriendly, not inclined to take part in jokes or joys. 5m. Raniety (quality). 6 rancid tobacco. 7 Greasy dirt of the cloths while they are working, or that they have left when they do not work well.