immense

 
Pronunciation: /ɪˈmɛns/

adjective

  • extremely large or great, especially in scale or degree: the cost of restoration has been immense a factor of immense importance

Derivatives

immensity

noun

Origin:

late Middle English: via French from Latin immensus 'immeasurable', from in- 'not' + mensus 'measured' (past participle of metiri)