fastness

As nouns the difference between fast and fastness

is that fast is a train that calls at only some stations it passes between its origin and destination, typically just the principal stations while fastness is a secure or fortified place; a stronghold, a fortress.

As an adjective fast

is firmly or securely fixed in place; stable.

As an adverb fast

is in a firm or secure manner, securely; in such a way as not to be moved .

As an interjection fast

is short for "stand fast", a warning not to pass between the arrow and the target.

As a verb fast

is to abstain from food, or eat very little, especially for religious or medical reasons.

As nouns the difference between citadel and fastness

is that citadel is a strong fortress that sits high above a city while fastness is a secure or fortified place; a stronghold, a fortress.

Bulwark is a related term of fastness.

As nouns the difference between bulwark and fastness

is that bulwark is a defensive wall or rampart while fastness is a secure or fortified place; a stronghold, a fortress.

As a verb bulwark

is to fortify something with a wall or rampart.

Fastness is a related term of base.

As a noun fastness

is a secure or fortified place; a stronghold, a fortress.

As an acronym base is

b'''uilding'', '''''a'''ntenna-tower'', '''''s'''pan'', '''''e arth .

As nouns the difference between fastness and lastness

is that fastness is a secure or fortified place; a stronghold, a fortress while lastness is the quality of being or coming last; finality.

As a noun fastness

is a secure or fortified place; a stronghold, a fortress.

As nouns the difference between fatness and fastness

is that fatness is the state of being fat while fastness is a secure or fortified place; a stronghold, a fortress.

As nouns the difference between fastness and pastness

is that fastness is a secure or fortified place; a stronghold, a fortress while pastness is the state or quality of being past.

As nouns the difference between fastness and vastness

is that fastness is a secure or fortified place; a stronghold, a fortress while vastness is (uncountable) the quality of being vast.

As nouns the difference between fastness and gastness

is that fastness is a secure or fortified place; a stronghold, a fortress while gastness is .