> as lemmas
non-improvement
non-improvement n.
Brit. 
/ˌnɒnɪmˈpruːvm(ə)nt/
, /ˌnɒnɪmˈpruːvm(ə)nt/U.S. /ˌnɑnᵻmˈpruvmənt/
/ˌnɑnᵻmˈpruvmənt/ΚΠ
1660 T. Watson in C. H. Spurgeon Treasury of David (1871) II. Ps. l. 22 The non-improvement of talents... He had not spent it, only not trading it is sentenced.
1703 W. Burkitt Expos. Notes New Test. Mark iv. 25 He that hides his Talent..is in danger of being punished severely for the Non-improvement of it.
1864 Jrnl. Statist. Soc. 27 Index 635 Death-rate, non-improvement of, by our national sanitary measures.
1989 Jrnl. Philos. 86 360 Typical instances of improvement or nonimprovement (of prediction due to more realistic input) will not be decisive.
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as lemmas
- non-cognitivist
- non-coherent
- non-coincidence
- non-coincident
- non-coital
- non-coll
- non-collegiate
- non-collinear
- non-colonial
- non-coloured
- non-com
- non-combatant
- non-combustible
- non-comedogenic
- non-coming
- non-commercial
- non-commission officer
- non-commissioned
- non-commitment
- non-committal
- non-committalism
- non-committally
- non-committance
- non-committed
- non-commorancy