1. (a.) Making too many assumptions; overconfident or venturesome; audacious\; rash; taking liberties unduly; arrogant; insolent; as, a presumptuous commander; presumptuous conduct.

2. (a.) Founded on presumption; as, a presumptuous idea.

3. (a.) Done with hold design, rash confidence, or in violation of known duty; willful.

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