Midland U.S. somewhat sick, weak, or lacking in vitality; not completely well.
Scot. unfortunate; ill-fated; unlucky.
British Dialect. fastidious; neat; tidy.
Origin of donsie
1710–20; < Scots Gaelic donas harm, ill + -ie
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019