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over-concern
over-concern n.
Brit. 
/ˌəʊvəkənˈsəːn/
, /ˌəʊvəkənˈsəːn/U.S. /ˌoʊvərkənˈsərn/
/ˌoʊvərkənˈsərn/ΚΠ
1748 S. Richardson Clarissa VI. cxvi. 369 She has too often forfeited that peace of mind, which she so much prefers, by her over-concern to preserve it.
1865 M. Arnold Ess. Crit. Pref. p. xvii I thought this over-concern a little unworthy.
1988 M. Bachelor Forty Plus (BNC) 132 It is..important to get the right balance between over concern and lack of care.
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