stale

Fruitless is a related term of stale.

As an adjective fruitless

is useless; unproductive.

As an adverb stale is

always, all the time.

As an adverb stale

is always, all the time.

As a noun mature is

masts (of a ship).

Stale is a related term of faded.

As an adverb stale

is always, all the time.

As a verb faded is

(fade).

As an adjective faded is

that has lost some of its former colour or intensity.

Mildewed is a related term of stale.

As a verb mildewed

is (mildew).

As an adverb stale is

always, all the time.

As adjectives the difference between unfruitful and stale

is that unfruitful is of or pertaining to not bearing fruit (usually figuratively) while stale is at a standstill; stalemated.

As a noun stale is

theft; the act of stealing.

As a verb stale is

to make a ladder by joining rungs ("stales") between the posts.

Useless is a related term of stale.

As an adjective useless

is without use or possibility to be used.

As an adverb stale is

always, all the time.

Uninformative is a related term of stale.

As an adjective uninformative

is lacking useful or interesting information.

As an adverb stale is

always, all the time.

As an adjective putrid

is rotting, rotten, being in a state of putrefaction.

As an adverb stale is

always, all the time.

Lacklustre is a related term of stale.

As an adjective lacklustre

is (british).

As an adverb stale is

always, all the time.

Ineffectual is a related term of stale.

As an adjective ineffectual

is unable or insufficient to produce effect; futile.

As an adverb stale is

always, all the time.