unproductive

English

un- +‎ productive

unproductive (comparative more unproductive, superlative most unproductive)

Not productive; useless; fruitless.
Juggling is an amusing pastime, but generally unproductive.
(linguistics, of affixes, mechanisms of word formation, etc) No longer used to produce new words (see examples).

not productive

Catalan: improductiu
Chinese:
Mandarin: 無生產的／无生产的 (wúshēngchǎn de)
Czech: neproduktivní
Dutch: onproductief (nl), improductief (nl)
Finnish: tuottamaton (fi)
French: improductif (fr)
German: unproduktiv
Hungarian: terméketlen (hu), improduktív (hu), gyümölcstelen, meddő (hu), szaporátlan
Japanese: 非生産的 (hiseisanteki)
Maori: whiro (refers especially to soils), mūhore, tītōhea (of soil), pūweku (of crops), pūeku (of crops)
Plautdietsch: fruchtlooss
Polish: bezproduktywny (pl), nieproduktywny
Portuguese: improdutivo (pt)
Romanian: neproductiv (ro), nefructuos (ro)
Russian: непродукти́вный (ru) (neproduktívnyj), непроизводи́тельный (ru) (neproizvodítelʹnyj)