immense
Concise Oxford English Dictionary © 2008 Oxford University Press:
immense/ɪˈmens/
▶adjective extremely large or great.
– derivatives
immensity noun.
immensity noun.
– origin ME: via Fr. from L. immensus ‘immeasurable’, from in- ‘not’ + mensus ‘measured’.
'immense' also found in these Oxford entries:

