ultra : Idioms & Phrases

• noun the state of being without a flaw or defect
  flawlessness; perfection.
  

WordNet

• adjective beyond the legal power or authority of a person or official or body etc
  
  • an ultra vires contract
• adverb beyond the scope or in excess of legal power or authority
  

WordNet

Ul`tra vi"res

Etymology

Law Latin, from L. prep. ultra beyond + vires, pl. of. vis strength.

Definitions

1. Beyond power; transcending authority; -- a phrase used frequently in relation to acts or enactments by corporations in excess of their chartered or statutory rights.

Webster 1913

Ul"tra- adjective

Definitions

1. A prefix from the Latin ultra beyond (see Ulterior), having in composition the signification beyond, on the other side, chiefly when joined with words expressing relations of place; as, ultramarine, ultramontane, ultramundane, ultratropical, etc. In other relations it has the sense of excessively, exceedingly, beyond what is common, natural, right, or proper; as, ultraconservative; ultrademocratic, ultradespotic, ultraliberal, ultraradical, etc.

Webster 1913