Definition of expend in English:

expend

Line breaks: ex¦pend
Pronunciation: /ɪkˈspɛnd
 
, ɛk-/

verb

[with object]
Spend or use up (a resource such as money or energy): the energy expended in sport could be directed into other areas
More example sentences
  • Massachusetts enjoyed a qualified success with its militia by expending money and energy on the effort.
  • SInce the country has not yet become self-reliant in terms of energy, it still expends vast sums of money protecting energy supplies.
  • Mostly, I am bitter that I spent so much time expending emotional energy towards ills that only existed in his mind.
Synonyms
lavish, squander, waste, fritter (away), dissipate, spend like water, throw around like confetti
informal fork out, shell out, dish out, cough up, blow, splurge, pour/throw down the drain, spend money as if it grows on trees, spend money as if there were no tomorrow, spend money as if it were going out of style/fashion
British informal splash out, stump up, blue
North American informal ante up, pony up
use up, use, utilize, make use of, consume, eat up, deplete, drain, sap;

Origin

late Middle English: from Latin expendere, from ex- 'out' + pendere 'weigh, pay'. Compare with spend.

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Pronunciation: dəˈmôrəˌlīz
verb
cause (someone) to lose confidence or hope; dispirit