valueless

As a noun vast

is west (compass point).

As an adjective valueless is

having no value.

As adjectives the difference between valueless and undefined

is that valueless is having no value while undefined is lacking a definition or value.

Deceptive is a related term of valueless.

As adjectives the difference between deceptive and valueless

is that deceptive is while valueless is having no value.

As adjectives the difference between unworthy and valueless

is that unworthy is not worthy; lacking value or merit; worthless while valueless is having no value.

As a noun dud

is (informal) a device or machine that is useless because it does not work properly or has failed to work, such as a bomb, or explosive projectile.

As an adjective valueless is

having no value.

As adjectives the difference between valueless and unproductive

is that valueless is having no value while unproductive is not productive; useless; fruitless.

As adjectives the difference between valueless and unvalued

is that valueless is having no value while unvalued is not valued; not appraised.

As adjectives the difference between valuable and valueless

is that valuable is having a great value while valueless is having no value.

As a noun valuable

is a personal possession such as jewellery, of relatively great monetary value; — usually used in plural form.

Hollow is a synonym of valueless.

As adjectives the difference between hollow and valueless

is that hollow is (of something solid) having an empty space or cavity inside while valueless is having no value.

As an adverb hollow

is (colloquial) completely, as part of the phrase beat hollow or beat all hollow.

As a noun hollow

is a small valley between mountains; a low spot surrounded by elevations.

As a verb hollow

is to make a hole in something; to excavate (transitive) or hollow can be to urge or call by shouting; to hollo.

As an interjection hollow

is .