1
: a conveyance (see conveyance sense 2a) of or lien against property (as for securing a loan) that becomes void upon payment or performance according to stipulated terms
took out a mortgage in order to buy the house
2
a
: the instrument evidencing the mortgage
b
: the loan secured by a mortgage
finally paid off the mortgage
c
: the interest of the mortgagee in such property
mortgaged; mortgaging
1
: to grant or convey by a mortgage
2
: to subject to a claim or obligation : pledge
—usually used in the phrase mortgage the/one's future
The city has mortgaged the future to pay for the new stadium.
Some say she has mortgaged her political future on a program that is certain to fail.
mortgage the/one's future
3 of 3phrase
chiefly US, disapproving
: to borrow a large amount of money that will have to be paid back in the future
The city has mortgaged its future to pay for the new stadium.
—sometimes used figurativelySome critics say that she has mortgaged her political future on a program that is likely to fail.
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Merriam-Webster unabridged



