Laodicean
Concise Oxford English Dictionary © 2008 Oxford University Press:
Laodicean /ˌleɪə(ʊ)dɪˈsiːən/ archaic
▶adjective half-hearted or indifferent, especially with respect to religion or politics. ▶noun a person with such an attitude.
– origin C17: from L. Laodicea in Asia Minor, with ref. to the early Christians there (Rev. 3:16), + -an.
'Laodicean' also found in these Oxford entries:

