The American Heritage® Dictionary of the English Language, 4th Edition
v. To take or claim for oneself without right; appropriate: Presidents who have arrogated the power of Congress to declare war. See Synonyms at appropriate.
v. To ascribe on behalf of another in an unwarranted manner.
v. To appropriate or lay claim to something for oneself without right.
the GNU version of the Collaborative International Dictionary of English
v. To assume, or claim as one's own, unduly, proudly, or presumptuously; to make undue claims to, from vanity or baseless pretensions to right or merit.
The Century Dictionary and Cyclopedia
To claim or demand unduly or presumptuously; lay claim to in an overbearing manner: as, to arrogate power or dignity to one's self.
To lay claim to on behalf of another: as, to arrogate to the crown the privilege of issuing writs.
In Roman law, same as adrogate.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. make undue claims to having
v. demand as being one's due or property; assert one's right or title to
v. seize and take control without authority and possibly with force; take as one's right or possession
Word Usage
"I have to admit that I looked up the definition of "arrogate," which means "to claim or seize without right.""