cold vs hard

Without compassion; heartless; ruthless. 

Affecting the sense of smell (as of hunting dogs) only feebly; having lost its odour. 

Completely unprepared; without introduction. 

Unfriendly; emotionally distant or unfeeling. 

Feeling the sensation of coldness, especially to the point of discomfort. 

Having a bluish effect; not warm in colour. 

Having a low temperature. 

Unconscious or deeply asleep; deprived of the metaphorical heat associated with life or consciousness. 

Perfectly, exactly, completely; by heart; down pat. 

Without electrical power being supplied. 

Dispassionate; not prejudiced or partisan; impartial. 

Not loaded with a round of live ammunition. 

Rarely used or accessed, and thus able to be relegated to slower storage. 

Causing the air to be cold. 

Not radioactive. 

Distant; said, in the game of hunting for some object, of a seeker remote from the thing concealed. Compare warm and hot. 

Cornered; done for. 

A harsh place; a place of abandonment. 

rheum, sleepy dust 

A condition of low temperature. 

A common, usually harmless, viral illness, usually with congestion of the nasal passages and sometimes fever. 

Severe, harsh, unfriendly, brutal. 

In a physical form, not digital. 

Having a high energy (high frequency; short wavelength). 

Of silk: not having had the natural gum boiled off. 

Having a comparatively larger or a ninety-degree angle. 

Containing alcohol. 

Having disagreeable and abrupt contrasts in colour or shading. 

Made up of parallel rays, producing clearly defined shadows. 

Strong. 

Sexually aroused; having an erect penis. 

Difficult or requiring a lot of effort to do, understand, experience, or deal with. 

Unquestionable, unequivocal. 

Rigid in the drawing or distribution of the figures; formal; lacking grace of composition. 

Tough and muscular. 

High in dissolved chemical salts, especially those of calcium. 

Having the capability of being a permanent magnet by being a material with high magnetic coercivity (compare soft). 

Demanding a lot of effort to endure. 

Far, extreme. 

Velarized or plain, rather than palatalized. 

Of a market: having more demand than supply; being a seller's market. 

Using a manual or physical process, not by means of a software command. 

Hardened; having unusually strong defences. 

Having muscles that are tightened as a result of intense, regular exercise. 

Resistant to pressure. 

hardcore 

Plosive. 

Unvoiced. 

With much force or effort. 

Compactly. 

With difficulty.