the fact of giving up something important or valuable to you in order to get or do something that seems more important; something that you give up in this way.

1[countable, uncountable] the fact of giving up something important or valuable to you in order to get or do something that seems more important; ...

to give up something that is important or valuable to you in order to get or do something that seems more important for yourself or for another person.

1[transitive] to give up something that is important or valuable to you in order to get or do something that seems more important for yourself or for another ...

There are 12 meanings listed in OED's entry for the noun sacrifice, one of which is labelled obsolete. See 'Meaning & use' for definitions, usage, ...

There are 11 meanings listed in OED's entry for the verb sacrifice, one of which is labelled obsolete. See 'Meaning & use' for definitions, usage, and quotation ...

an act of slaughtering an animal or person or surrendering a possession as an offering to God or to a divine or supernatural figure; also, the offering itself.

6 дней назад · sacrifice verb (GIVE UP) ... to give up something for something else considered more important: He sacrificed his vacations to work on his book.

/ˌsækrɪˈfɪʃl/ [usually before noun] ​offered as a sacrifice. a sacrificial lamb. (figurative) Our department became the sacrificial lamb when the company ...

​the act of not allowing yourself to have or do something in order to help other people. the courage and self-sacrifice of those who fought in the war ...