overdefer verb2 •To defer a larger amount than one should.Thus it is important to be realistic about the supposed revenue loss, because very quickly estate planners would become realistic and would stop overdeferring their client's taxes. — 1976 •To be overly deferential.The analysis overdefers to government regulation and it understates the power of existing risk controls. — 1987 formsoverdeferred · overdeferring · overdefers