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Presumptuous (a.) Full of presumption; presuming; overconfident or venturesome; audacious; rash; taking liberties unduly; arrogant; insolent; as, a presumptuous commander; presumptuous conduct.
Presumptuous (a.) Founded on presumption; as, a presumptuous idea.
Presumptuous (a.) Done with hold design, rash confidence, or in violation of known duty; willful.