of weather or climate Severe.

Roget 914a: pitiless, merciless, ruthless, bowelless; unpitying, unmerciful, inclement; grim-faced, grim-visaged; incompassionate^†, uncompassionate; inexorable; harsh etc. 739; unrelenting etc. 919.    ... show more

Roget 739: severe; strict, hard, harsh, dour, rigid, stiff, stern, rigorous, uncompromising, exacting, exigent, exigeant^†, inexorable, inflexible, obdurate, austere, hard-headed, hard-nosed, hard-shell [U.S.], relentless, Spartan, Draconian, stringent, strait-laced, searching, unsparing, iron-handed, peremptory, absolute, positive, arbitrary, imperative; coercive etc. 744; tyrannical, extortionate, grinding, withering, oppressive, inquisitorial; inclement etc. (ruthless) 914.1; cruel etc. (malevolent) 907; haughty, arrogant etc. 885; precisian^†.    ... show more

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

Used of persons or behavior; showing no clemency or mercy.

Polish: bezlitosny