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1. Oxford American Dictionary

   unproductive

   • IPA[ˌənprəˈdəktiv]

   美式

   • adj.
     not producing or able to produce large amounts of goods, crops, or other commodities；(of an activity or period) not achieving much; not very useful
2. • 釋義

   adj.

   形容詞

   • 1. not producing or able to produce large amounts of goods, crops, or other commodities unproductive land must be reforested 同義詞 sterile, barren, infertile, uncultivatable, unfruitful, ... 更多poor, lifeless, lean, arid反義詞 productive, fruitful
   • ▪ (of an activity or period) not achieving much; not very useful unproductive meetings 同義詞 fruitless, futile, vain, idle, useless, ... 更多worthless, valueless, pointless, ineffective, ineffectual, to no effect, impotent, inefficacious, unprofitable, unremunerative, unrewarding, rareotiose反義詞 productive, efficient
3. • 更多解釋

   unproductive

   • IPA[ʌnprəˈdʌktɪv]

   英式

   • adj.
     not producing or able to produce large amounts of goods, crops, or other commodities: unproductive land must be reforested

   Oxford Dictionary