verb , noun
■ verb / dɪsˈkɑːd; NAmE -ˈkɑːrd/
1.
[ vn ] discard sb/sth (as sth) to get rid of sth that you no longer want or need :
The room was littered with discarded newspapers.
He had discarded his jacket because of the heat.
10% of the data was discarded as unreliable
( figurative )
She could now discard all thought of promotion.
2.
[ vn , v ] ( in card games ) to get rid of a card that you do not want
■ noun
/ ˈdɪskɑːd; NAmE -kɑːrd/ a person or thing that is not wanted or thrown away, especially a card in a card game
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WORD ORIGIN
late 16th cent. (originally in the sense reject (a playing card) ): from dis- (expressing removal) + the noun card .