firmness

Firmness is a related term of certainty.

As nouns the difference between firmness and certainty

is that firmness is the state of being firm; strength; permanence; stability; hardness; resolution while certainty is the state of being certain.

Firmness is a related term of sedateness.

As nouns the difference between firmness and sedateness

is that firmness is the state of being firm; strength; permanence; stability; hardness; resolution while sedateness is the state or quality of being sedate; calmness of mind, manner, or countenance; composure; placidity; serenity; tranquillity.

Obstinacy is a synonym of firmness.

As nouns the difference between obstinacy and firmness

is that obstinacy is the state, or an act, of stubbornness or doggedness while firmness is the state of being firm; strength; permanence; stability; hardness; resolution.

Firmness is a related term of solidness.

As nouns the difference between firmness and solidness

is that firmness is the state of being firm; strength; permanence; stability; hardness; resolution while solidness is the state or quality of being solid.

Analysis is a related term of firmness.

As nouns the difference between analysis and firmness

is that analysis is analysis while firmness is the state of being firm; strength; permanence; stability; hardness; resolution.

As a noun firmness

is the state of being firm; strength; permanence; stability; hardness; resolution.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between firmness and resistance

is that firmness is the state of being firm; strength; permanence; stability; hardness; resolution while resistance is resistance (all meanings).

As nouns the difference between persistence and firmness

is that persistence is the property of being persistent while firmness is the state of being firm; strength; permanence; stability; hardness; resolution.

As nouns the difference between firmness and stamina

is that firmness is the state of being firm; strength; permanence; stability; hardness; resolution while stamina is (uncountable|now considered singular) the energy and strength for continuing to do something over a long period of time; power of sustained exertion, or resistance to hardship, illness etc.

As nouns the difference between confident and firmness

is that confident is while firmness is the state of being firm; strength; permanence; stability; hardness; resolution.

As an adjective confident

is very sure of something; positive.