inextricable
in.ex.tri.ca.ble \.in-ik-'strik-*-b*l, (')in-'ek-(.)strik-\ \-ble-\ aj [MF
fr L; MF, fr. L inextricabilis, fr. in- + extricabilis ex]tricable 1:
forming a maze or tangle from which it is impossible to get free 2a:
incapable of being disentangled or untied 2b: UNSOLVABLE -
in.ex.tri.ca.bly av
Webster's English Dictionary