Roget's Thesaurus: Entry 169 (Unproductiveness)

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#169. Unproductiveness.-- N. unproductiveness &c. adj.; infertility, sterility, infecundity[obs]; masturbation; impotence &c. 158; unprofitableness &c. (inutility) 645.

waste, desert, Sahara, wild, wilderness, howling wilderness.

V. be - unproductive &c. adj.; hang fire, flash in the pan, come to nothing.

[make unproductive] sterilize, addle; disable, inactivate.

Adj. unproductive, acarpous[obs], inoperative, barren, addled, infertile, unfertile, unprolific[obs], arid, sterile, unfruitful, infecund[obs]; sine prole; fallow; teemless[obs], issueless[obs], fruitless; unprofitable &c. (useless) 645; null and void, of no effect.