> as lemmas
non-constructive
non-constructive adj.
Brit. 
/ˌnɒnkənˈstrʌktɪv/
, /ˌnɒnkənˈstrʌktɪv/U.S. /ˌnɑnkənˈstrəktɪv/
/ˌnɑnkənˈstrəktɪv/ΚΠ
1868 Overland Monthly Sept. 252/1 The whole race of non-producing, non-manufacturing and non-constructive geniuses, had better tarry at home.
1908 Westm. Gaz. 8 Aug. 14/1 Non-resistance is for the non-constructive man.
1992 Sci. Fiction Age Nov. 36/2 I felt..a non-constructive emotion rarely experienced by even a junior grade agent.
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as lemmas