inordinate

 
Pronunciation: /ɪˈnɔːdɪnət/

adjective

  • 1unusually or disproportionately large; excessive: the case had taken up an inordinate amount of time
  • 2 archaic (of a person) unrestrained in feelings or behaviour.

Derivatives

inordinately

adverb
[as submodifier]: an inordinately expensive business

Origin:

late Middle English: from Latin inordinatus, from in- 'not' + ordinatus 'arranged, set in order' (past participle of ordinare)