Essential, Even, Exact, Exacting, Excessive, Excruciating, Exigent, Exorbitant, Express, Extravagant, Extreme, Faithful, Fastidious, Fatal, Feudal, Fierce, Fine, Flinty, Forbidding, Formidable, Frank, Freezing, Frigid, Fundamental, Furious, Glacial, Glowering, Gnawing, Grave, Gravely, Great, Grievous, Grim, Grinding, Griping, Gruff, Hairy, Hard, Hardly, Harrowing, Harsh, Harshly, Heavy, Hibernal, Homely, Homespun, Homogeneous, Hostile, Hurtful, Hurting, Icy, Immoderate, Imperative, Imperial, Imperious, Incisive, Inclement, Indivisible, Inexorable, Infallible, Inflexible, Inhospitable, Inhuman, Intemperate, Intense, Intensely, Intricate, Irreducible, Irritating, Keen, Knotted, Knotty, Laborious, Lean, Lordly, Magisterial, Markedly, Masterful, Mathematical, Mean, Merciless, Mere, Meticulous, Microscopic, Modest, Monastic, Monolithic, Stringent, Subtle, Subzero, Supercooled, Suppressive, Surly, Tart, Taxing, Terminal, Thorny, Ticklish, Tormenting, Torturous, Tough, Trenchant, Tricky, Truculent, Turbulent, Tyrannical, Tyrannous, Unadorned, Unaffected, Unbending, Uncluttered, Uncompromising, Unconscionable, Undecorated, Undifferentiated, Unerring, Unfeeling, Unfussy, Uniform, Unimaginative, Unpleasant, Unpoetical, Unsmiling, Unsympathetic, Unvarnished, Unyielding, Uphill, Vehement, Venomous, Violent, Virulent, Vitriolic, Weighty, Wicked, Wintery, Wintry, Draconian, Siberian, Spartan, Abrupt, Absolute, Absolutist, Abstruse, Acerbic, Acid, Acrid, Acrimonious, Acute, Aggressive, Aloof, Arbitrary, Arctic, Arduous, Aristocratic, Arrogant, Ascetic, Astringent, Atrocious, Austere, Authoritarian, Authoritative, Autocratic, Awful, Badly, Bald, Bare, Basic, Bearish, Beastly, Biting, Bitter, Bleak, Blistering, Bluff, Blunt, Blustering, Blustery, Boreal, Bossy, Brash, Brisk, Brusque, Brutal, Burdensome, Candid, Caustic, Cavalier, Chaste, Churlish, Close, Cold, Common, Commonplace, Complex, Constant, Cramping, Crisp, Critical, Crude, Cruel, Crusty, Curt, Cutting, Dangerous, Delicate, Demanding, Despotic, Dictatorial, Difficult, Dire, Direct, Disagreeable, Disciplined, Distressing, Domineering, Dour, Drastic, Dreadful, Dry, Dull, Edged, Elementary, Mordant, Mortal, Mortified, Natural, Neat, Nice, Nipping, Numbing, Obdurate, Onerous, Open, Oppressive, Outrageous, Overbearing, Overruling, Painful, Painfully, Painstaking, Penetrating, Peremptory, Piercing, Pinching, Pinpoint, Piquant, Pitiless, Plain, Poignant, Precise, Primal, Primary, Primitive, Prosaic, Pungent, Punishing, Punitive, Pure, Racking, Raw, Refined, Relentless, Religious, Repressive, Restrictive, Rigid, Rigorous, Rigorously, Rough, Roughly, Rugged, Rustic, Ruthless, Savage, Scathing, Scientific, Serious, Sharp, Shooting, Short, Simple, Single, Slushy, Smart, Snappy, Sober, Sore, Sour, Spare, Sparse, Spasmodic, Spiny, Splitting, Square, Stabbing, Stark, Steep, Stern, Stiff, Stinging, Stony, Stormy, Straightforward, Strenuous, Strict, Strident