Overween \O`ver*ween"\, v. t. [AS. oferw[=e]nian. See {Over},
and {Ween}.]
To think too highly or arrogantly; to regard one's own
thinking or conclusions too highly; hence, to be egotistic,
arrogant, or rash, in opinion; to think conceitedly; to
presume.
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They that overween,
And at thy growing virtues fret their spleen. --Milton.
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