Locked in by ice.

Roget 383: cold, cool; chill, chilly; icy; gelid, frigid, algid^†; fresh, keen, bleak, raw, inclement, bitter, biting, niveous^†, cutting, nipping, piercing, pinching; clay-cold; starved etc. (made cold) 385; chilled to the bone, shivering etc. v.; aguish, transi de froid [Fr.]; frostbitten, frost-bound, frost-nipped.    cold as a stone, cold as marble, cold as lead, cold as iron, cold as a frog, cold as charity, cold as Christmas; cool as a cucumber, cool as custard.    icy, glacial, frosty, freezing, pruinose^†, wintry, brumal^†, hibernal^†, boreal, arctic, Siberian, hyemal^†; hyperborean, hyperboreal^†; icebound; frozen out.    unwarmed^†, unthawed^†; lukewarm, tepid; isocheimal^†, isocheimenal^†, isocheimic^†.    frozen, numb, frost-bitten.    ... show more