Synonyms of the word

unproductive

• adj. Not productive; useless; fruitless.

bootless

• adj. without boots.
• adj. profitless; pointless; unavailing.

dry

• adj. Free from or lacking moisture.
• adj. Unable to produce a liquid, as water, (Petrochemistry) oil, or (farming) milk.
• adj. (masonry) Built without or lacking mortar.
• adj. (chemistry) Anhydrous: free from or lacking water in any state, regardless of the presence of other liquid…
• adj. Free from or lacking alcohol or alcoholic beverages.
• adj. (law) Describing an area where sales of alcoholic or strong alcoholic beverages are banned.
• adj. Free from or lacking embellishment or sweetness, particularly.
• adj. (sciences, somewhat pejorative) Involving computations rather than work with biological or chemical matter.
• n. (US) A prohibitionist (of alcoholic beverages).
• n. (especially Australia, with "the") The dry season.
• n. (Australia) An area of waterless country.
• v. (intransitive) To lose moisture.
• v. (transitive) To remove moisture from.
• v. (obsolete, intransitive) To be thirsty.

fruitless

• adj. Useless; unproductive.
• adj. Bearing no fruit; barren.
• adj. (rare) Without fruit.

futile

• adj. Incapable of producing results; useless; not successful; not worth attempting.

ineffective

• adj. not having the desired effect; ineffectual.
• adj. lacking in ability; incompetent or inadequate.

ineffectual

• adj. unable or insufficient to produce effect; futile.
• adj. worthless.
• adj. weak, indecisive; lacking forcefulness.

infertile

• adj. not fertile.

nonproductive

• adj. Not productive.

sleeveless

• adj. Of a garment, having no sleeves.
• adj. (obsolete) Wanting a cover, pretext, or palliation; unreasonable; profitless; useless.

sterile

• adj. (not comparable) Unable to reproduce (or procreate).
• adj. Unprofitable.
• adj. Germless; free from all living or viable microorganisms.

uncreative

• adj. Not creative.

unfertile

• adj. Not fertile.

unprofitable

• adj. Not making a profit.

vain

• adj. Overly proud of oneself, especially concerning appearance; having a high opinion of one's own accomplishments…
• adj. Having no real substance, value, or importance; empty; void; worthless; unsatisfying.
• adj. Effecting no purpose; pointless, futile.
• adj. Showy; ostentatious.