Not permitting extrication; incapable of being disentangled or untied.

Roget 59a: gnarled, knarled^†.    complex, complexed; intricate, complicated, perplexed, involved, raveled, entangled, knotted, tangled, inextricable; irreducible.    ... show more

Roget 471: impossible; not possible etc. 470; absurd, contrary to reason; unlikely; unreasonable etc. 477; incredible etc. 485; beyond the bounds of reason, beyond the bounds of possibility, beyond the realm of possibility; from which reason recoils; visionary; inconceivable etc. (improbable) 473; prodigious etc. (wonderful) 870; unimaginable, inimaginable^†; unthinkable.    impracticable unachievable; unfeasible, infeasible; insuperable; unsurmountable^†, insurmountable; unattainable, unobtainable; out of reach, out of the question; not to be had, not to be thought of; beyond control; desperate etc. (hopeless) 859; incompatible etc. 24; inaccessible, uncomeatable^†, impassable, impervious, innavigable^†, inextricable; self-contradictory.    out of one's power, beyond one's power, beyond one's depth, beyond one's reach, beyond one's grasp; too much for; ultra crepidam [Lat.].    ... show more

Roget 46: cohesive, adhesive, adhering, cohering etc. v.; tenacious, tough; sticky etc. 352.    united, unseparated, unsessile^†, inseparable, inextricable, infrangible^†; compact etc. (dense) 321.    ... show more