hardness

As nouns the difference between firm and hardness

is that firm is (uk|business) a business partnership; the name under which it trades while hardness is the quality of being hard.

As an adjective firm

is steadfast, secure, hard (in position).

As a verb firm

is to make firm or strong; fix securely.

As nouns the difference between boldness and hardness

is that boldness is the state of being bold; courage while hardness is the quality of being hard.

As nouns the difference between brittle and hardness

is that brittle is (uncountable) a confection of caramelized sugar and nuts while hardness is the quality of being hard.

As an adjective brittle

is inflexible, liable to break or snap easily under stress or pressure.

As nouns the difference between hardness and malleability

is that hardness is the quality of being hard while malleability is the quality or state of being malleable.

As nouns the difference between hardness and dent

is that hardness is the quality of being hard while dent is a shallow deformation in the surface of an object, produced by an impact.

As a verb dent is

to impact something, producing a dent.

As nouns the difference between endurance and hardness

is that endurance is the measure of a person's stamina or persistence while hardness is the quality of being hard.

As nouns the difference between hardness and hardness

is that hardness is the quality of being hard while hardness is the quality of being hard.

Hardness is a derived term of harshness.

As nouns the difference between harshness and hardness

is that harshness is the quality of being harsh while hardness is the quality of being hard.

is likely misspelled.

has no English definition.

As a noun hardness

is the quality of being hard.

Hardness is a related term of compactness.

As nouns the difference between hardness and compactness

is that hardness is the quality of being hard while compactness is the state of being compact.