/ɪkˈspend/

ex·pend

BrE /ɪkˈspend/

NAmE /ɪkˈspend/

~ sth (in/on sb) |

~ sth (in/on/doing sth)

(formal)

to use or spend a lot of time, money, energy, etc.

She expended all her efforts on the care of home and children.