overtrust

From The Collaborative International Dictionary of English v.0.48:

Overtrust \O"ver*trust`\, n.
   Excessive confidence.
   [1913 Webster]
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From The Collaborative International Dictionary of English v.0.48:

Overtrust \O`ver*trust"\, v. t. & i.
   To trust too much. --Bp. Hall.
   [1913 Webster]