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n.1.(Law) An omission or neglect to do something, esp. that which ought to have been done. Cf. Malfeasance.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Our letter contained a comprehensive analysis of a widespread syndrome of mis-, mal- and non-feasance at the highest levels inside Argo.
Several congressmen were initially queasy about the wording of the committee report, as the original draft categorically declared that 'the ERC and its officials and employees committed malfeasance, misfeasance and non-feasance.'